2º ESO/WAVES prueba prueba

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]]> 2º ESO/WAVES/CHARACTERISTICS De frecuencia a long. onda (luz) Una radiación electromagnética tiene una frecuencia  de #frec•10#expo Hz. Halla su longitud de onda en el vacío en metros

]]> 1.0000000 0.3333333 0 0 #lo]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>frec</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>lo</mi><mo>=</mo><mn>3</mn><mo>.</mo><mn>0</mn><mo>*</mo><msup><mn>10</mn><mn>8</mn></msup><mo>/</mo><mo>(</mo><mi>frec</mi><mo>*</mo><msup><mn>10</mn><mi>expo</mi></msup><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi mathvariant="normal">l</mi><mi>o</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De frecuencia a long. onda (luz) Una radiación electromagnética tiene una frecuencia  de #frec•10#expo Hz. Halla su longitud de onda en el vacío en metros

]]> 1.0000000 0.3333333 0 0 #lo]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>frec</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>lo</mi><mo>=</mo><mn>3</mn><mo>.</mo><mn>0</mn><mo>*</mo><msup><mn>10</mn><mn>8</mn></msup><mo>/</mo><mo>(</mo><mi>frec</mi><mo>*</mo><msup><mn>10</mn><mi>expo</mi></msup><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi mathvariant="normal">l</mi><mi>o</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De frecuencia a long. onda (sonido) Una onda de sonido tiene una frecuencia  de #frec•10#expo Hz. Halla su longitud de onda en metros para un medio si su velocidad en el mismo es de #vel m/s

]]> 1.0000000 0.3333333 0 0 #lo]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>vel</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>300</mn><mo>,</mo><mn>500</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>frec</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>lo</mi><mo>=</mo><mi>vel</mi><mo>/</mo><mo>(</mo><mi>frec</mi><mo>*</mo><msup><mn>10</mn><mi>expo</mi></msup><mo>)</mo><mo>*</mo><mn>1</mn><mo>.</mo><mn>0</mn></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi mathvariant="normal">l</mi><mi>o</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De frecuencia a long. onda (sonido) Una onda de sonido tiene una frecuencia  de #frec•10#expo Hz. Halla su longitud de onda en metros para un medio si su velocidad en el mismo es de #vel m/s

]]> 1.0000000 0.3333333 0 0 #lo]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>vel</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>300</mn><mo>,</mo><mn>500</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>frec</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>lo</mi><mo>=</mo><mi>vel</mi><mo>/</mo><mo>(</mo><mi>frec</mi><mo>*</mo><msup><mn>10</mn><mi>expo</mi></msup><mo>)</mo><mo>*</mo><mn>1</mn><mo>.</mo><mn>0</mn></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi mathvariant="normal">l</mi><mi>o</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De frecuencia a periodo Una radiación electromagnética tiene una frecuencia  de #frec•10#expo Hz. Halla su periodo en segundos

]]> 1.0000000 0.3333333 0 0 #per]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>frec</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>per</mi><mo>=</mo><mn>1</mn><mo>.</mo><mn>0</mn><mo>/</mo><mo>(</mo><mi>frec</mi><mo>*</mo><msup><mn>10</mn><mi>expo</mi></msup><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi>p</mi><mi mathvariant="normal">e</mi><mi>r</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De periodo a frecuencia Una radiación electromagnética tiene un periodo de #per•10-#expo s. Halla su frecuencia en Hz

]]> 1.0000000 0.3333333 0 0 #frec]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>per</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>frec</mi><mo>=</mo><mn>1</mn><mo>.</mo><mn>0</mn><mo>/</mo><mo>(</mo><mi>per</mi><mo>*</mo><msup><mn>10</mn><mrow><mo>-</mo><mi>expo</mi></mrow></msup><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi>f</mi><mi>r</mi><mi mathvariant="normal">e</mi><mi>c</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De periodo a longitud de onda (luz) Una radiación electromagnética tiene un periodo de #per•10-#expo s. Halla su longitud de onda, en metros, en el vacío

]]> 1.0000000 0.3333333 0 0 #lo]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>per</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>lo</mi><mo>=</mo><mn>3</mn><mo>.</mo><mn>0</mn><mo>*</mo><msup><mn>10</mn><mn>8</mn></msup><mo>*</mo><mo>(</mo><mi>per</mi><mo>*</mo><msup><mn>10</mn><mrow><mo>-</mo><mi>expo</mi></mrow></msup><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi mathvariant="normal">l</mi><mi>o</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De periodo a longitud de onda (luz) Una radiación electromagnética tiene un periodo de #per•10-#expo s. Halla su longitud de onda, en metros, en el vacío

]]> 1.0000000 0.3333333 0 0 #lo]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>per</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>lo</mi><mo>=</mo><mn>3</mn><mo>.</mo><mn>0</mn><mo>*</mo><msup><mn>10</mn><mn>8</mn></msup><mo>*</mo><mo>(</mo><mi>per</mi><mo>*</mo><msup><mn>10</mn><mrow><mo>-</mo><mi>expo</mi></mrow></msup><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi mathvariant="normal">l</mi><mi>o</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De periodo a longitud de onda (luz) Una radiación electromagnética tiene un periodo de #per•10-#expo m. Halla su longitud de onda, en metros, en el vacío

]]> 1.0000000 0.3333333 0 0 #lo]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>per</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>lo</mi><mo>=</mo><mn>3</mn><mo>.</mo><mn>0</mn><mo>*</mo><msup><mn>10</mn><mn>8</mn></msup><mo>*</mo><mo>(</mo><mi>per</mi><mo>*</mo><msup><mn>10</mn><mrow><mo>-</mo><mi>expo</mi></mrow></msup><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi mathvariant="normal">l</mi><mi>o</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De periodo a longitud de onda (sonido) Una onda de sonido tiene un periodo de #per•10-#expo s. Halla su longitud de onda, en metros, en un medio si su velocidad de transmisión en el mismo es de #veloc m/s

]]> 1.0000000 0.3333333 0 0 #lo]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>veloc</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>300</mn><mo>,</mo><mn>500</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>per</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>lo</mi><mo>=</mo><mi>veloc</mi><mo>*</mo><mo>(</mo><mi>per</mi><mo>*</mo><msup><mn>10</mn><mrow><mo>-</mo><mi>expo</mi></mrow></msup><mo>)</mo><mo>*</mo><mn>1</mn><mo>.</mo><mn>0</mn></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi mathvariant="normal">l</mi><mi>o</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> De periodo a longitud de onda (sonido) Una onda de sonido tiene un periodo de #per•10-#expo s. Halla su longitud de onda, en metros, en un medio si su velocidad de transmisión en el mismo es de #veloc m/s

]]> 1.0000000 0.3333333 0 0 #lo]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>veloc</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>300</mn><mo>,</mo><mn>500</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>expo</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>3</mn><mo>,</mo><mn>7</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>per</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>,</mo><mn>32</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>lo</mi><mo>=</mo><mi>veloc</mi><mo>*</mo><mo>(</mo><mi>per</mi><mo>*</mo><msup><mn>10</mn><mrow><mo>-</mo><mi>expo</mi></mrow></msup><mo>)</mo><mo>*</mo><mn>1</mn><mo>.</mo><mn>0</mn></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi mathvariant="normal">l</mi><mi>o</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Onda longitudinal En una onda longitudinal

]]> 1.0000000 0.1000000 0 true true abc la dirección de vibración es paralela a la de transmisión la dirección de vibración es perpendicular a la de transmisión La amplitud es mayor que la frecuencia La amplitud es menor que la frecuencia La amplitud es igual a la frecuencia 2º ESO/WAVES/ELECTROMAGNETIC SPECTRUM Electromagnetic waves that you can see are called Electromagnetic waves that you can see are called

]]> 1.0000000 0.1000000 0 true true abc Visible light Infrared light X-rays Microwaves Eye light How much of the electromagnetic spectrum is visible? How much of the electromagnetic spectrum is visible?

]]> 1.0000000 0.1000000 0 true true abc All of it None of it Most of it Only a small part Los colores Los colores del espectro visible tienen los siguientes rangos de longitud de onda.

En base a estos rangos indica a qué colores corresponderán las siguientes radiaciones electromagnéticas

Spectrum.svg

violeta 380–450 nm
azul 450–495 nm
verde 495–570 nm
amarillo 570–590 nm
anaranjado 590–620 nm
rojo 620–750 nm
]]> 1.0000000 0.1000000 0 true Longitud de onda = 600 nm

]]> Anaranjado Frecuencia =590 THz

]]> Verde Periodo = 1.4e-15 s

]]> Violeta Periodo = 650 nm

]]> Incorrecto Frecuencia 4.8E14 Hz

]]> rojo Periodo = 1.57e-15 s

]]> Azul Amarillo Verde Ordena la siguiente lista de mayor a menor longitud de onda( marca como 1 la mayor) Ordena la siguiente lista de mayor a menor longitud de onda (siendo 1 la mayor):

]]> 1.0000000 0.1000000 0 true Rayo gamma

]]> 6 Rayos X

]]> 5 Ultraioleta

]]> 4 Microondas

]]> 2 Infrarrojo

]]> 3 Ondas de radio

]]> 1 Ordena la siguiente lista de mayor a menor longitud de onda( marca como 1 la mayor) Ordena la siguiente lista de mayor a menor frecuencia (siendo 1 la mayor):

]]> 1.0000000 0.1000000 0 true Rayo gamma

]]> 1 Rayos X

]]> 2 Ultraioleta

]]> 3 Luz visible

]]> 4 Infrarrojo

]]> 5 Ondas de radio

]]> 6 The waves that have shorter waveslengths than visible light are: (check all that apply) The waves that have shorter waveslengths than visible light are: (check all that apply)

]]> 1.0000000 0.1000000 0 false true abc TV Radio stations Ultraviolet rays Gamma rays What type of waves are used to transmit cellular telephone messages? What type of waves are used to transmit cellular telephone messages?

]]> 1.0000000 0.1000000 0 true true abc Gamma rays Microwaves Radio waves Visible waves Which electromagnetic waves have the shortest wavelengths and highest frequencies? Which electromagnetic waves have the shortest wavelengths and highest frequencies? ]]> 1.0000000 0.1000000 0 true true abc Gamma rays Radio waves Visible light Ultraviolet light 2º ESO/WAVES/HEARING A rock concert produces at least 110 decibels of noise. How long do you need to be exposed to this level of noise to begin to get hearing damage?  A rock concert produces at least 110 decibels of noise. How long do you need to be exposed to this level of noise to begin to get hearing damage?

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> One hour

]]> One minute

]]> Five minutes

]]> Two hours

]]> Elephants can hear sounds between one and 20,000 hertz. This means they can hear: Elephants can hear sounds between one and 20,000 hertz. This means they can hear:

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> Higher sound frequencies than humans

]]> Lower sound frequencies than humans

]]> he same sound frequency range as humans

]]> A smaller sound frequency range than humans

]]> Long or repeated exposure to noise over 85 decibels can cause hearing loss. Which of the following everyday sounds does not exceed this level? Long or repeated exposure to noise over 85 decibels can cause hearing loss. Which of the following everyday sounds does not exceed this level?

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> Mp3 player at maximum level

]]> Vacuum cleaner

]]> Electric hand drill

]]> Lawnmower

]]> Some animals bounce sound waves off an object to detect their location, this is known as echolocation. Which of the following animals does not use echolocation?  Some animals bounce sound waves off an object to detect their location, this is known as echolocation. Which of the following animals does use echolocation?

]]> 1.0000000 0.3333333 0 false true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> Dolphins

]]> Whales

]]> Squirrel

]]> Bat

]]> Crocodile

]]> When sound waves reach the ear drum, what happens next? When sound waves reach the ear drum, what happens next?

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> The auditory nerve detects the vibration and sends them to the brain

]]> Small bones that sit behind the eardrum amplify the vibration, which is detected by the cochlea in the inner ear

]]> Small hairs in the cochlear detect the vibration from the eardrum and send a message to the brain

]]> Fluid moving in semi-circular canals amplifies the vibration, which is picked up by the auditory nerve and sent to the brain

]]> When your mother tells you to turn down the radio she is asking you to: When your mother tells you to turn down the radio she is asking you to:

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> Lower the frequency of the sound wave

]]> Raise the frequency of the sound wave

]]> Raise the amplitude of the sound wave

]]> Lower the amplitude of the sound wave

]]> Which part of the auditory system is the most sensitive to damage from sudden loud sounds? Which part of the auditory system is the most sensitive to damage from sudden loud sounds?

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> Hairs in the cochlea

]]> Auditory nerve

]]> Eardrum

]]> Stapes

]]> Why do people using large noisy drills often wear ear muffs? Why do people using large noisy drills often wear ear muffs?

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> Because they think they look nice

]]> Because their ears are cold

]]> Because very loud sounds can damage your ears

]]> 2º ESO/WAVES/LIGHT A beam of light hitting a mirror at an angle is reflected off at ... A beam of light hitting a mirror at an angle is reflected off at ...

]]> 1.0000000 0.1000000 0 true true abc A smaller angle The same angle A larger angle It depends A beam of light that is parallel to the principal axis is incident on a concave mirror. What happens to the reflected beam of light?  A beam of light that is parallel to the principal axis is incident on a concave mirror. What happens to the reflected beam of light? 

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> It also is parallel to the principal axis.

]]>  It is perpendicular to the principal axis.

]]> It passes through the center of curvature of the mirror. 

]]> It passes through the center of curvature of the mirror. 

]]> How do we see a tree? How do we see a tree?

]]> 1.0000000 0.1000000 0 true true abc By light reflecting off the tree and entering our eyes By light travelling from our eyes and reflecting off the tree By light reflecting off our eyes and entering the tree Light will almost always travel from one place to another along a path of least Light will almost always travel from one place to another along a path of least:

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> distance

]]> time

]]> effort

]]> expense

]]> complication

]]> The law of reflection holds for The law of reflection holds for

]]> 1.0000000 0.3333333 0 false true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> Convex mirrors

]]> flat mirrors

]]> concave mirrors

]]> convergent lenses

]]> divergent lenses

]]> The mirror on the passenger side of most newer cars is a The mirror on the passenger side of most newer cars is a 

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> convex mirror

]]> concave mirror

]]> concave mirror

]]> None of the other answers is correct. 

]]> To make a wall reflect as much light as possible, you should paint it ... To make a wall reflect as much light as possible, you should paint it ...

]]> 1.0000000 0.1000000 0 true true abc White Black Yellow Dark purple When light bounces back off a surface, we say it has been ... When light bounces back off a surface, we say it has been ...

]]> 1.0000000 0.1000000 0 true true abc Reflected Bent Absorbed Difracted Which one of the following is not the characteristics of the image formed by a plane mirror? Which one of the following is not the characteristics of the image formed by a plane mirror?

 

]]> 1.0000000 0.1000000 0 true true abc Has the same size as the object Laterally inverted Upright Real Why do scissors look shiny? Why do scissors look shiny?

]]> 1.0000000 0.1000000 0 true true abc Because they are sharp Because they reflect light Because they give out light 2º ESO/WAVES/MIRRORS AND LENSES A concave lens bends light toward its _______. A concave lens bends light toward its _______.

]]> 1.0000000 0.1000000 0 true true abc edges Optical axis Center Focal point Convex lenses can form different kinds of images. What influences the type of image that forms? Convex lenses can form different kinds of images. What influences the type of image that forms?

]]> 1.0000000 0.1000000 0 true true abc the thickness of the lens the position of the object relative to the focal length of the lens the eyesight of the person using the lens the curve of the lens's surface Describe the image formed by a concave lens. Describe the image formed by a concave lens.

]]> 1.0000000 0.1000000 0 true true abc a virtual, upright image that is smaller than the actual object an enlarged, upright real image an enlarged, upright virtual image an upside-down virtual image that is smaller than the actual object Farsighted people must wear ______. Farsighted people must wear ______.

]]> 1.0000000 0.1000000 0 true true abc Flat lenses convex lenses Concave lenses nevenly curved lenses In a concave mirror, light rays parallel to the optical axis reflect back through a single point. What is that point called? In a concave mirror, light rays parallel to the optical axis reflect back through a single point. What is that point called?

]]> 1.0000000 0.1000000 0 true true abc the focal point the fovea centralis the focal length the optical center In a plane mirror, how does the reflected image appear? In a plane mirror, how does the reflected image appear?

]]> 1.0000000 0.1000000 0 true true abc upside down and much smaller than the actual object closer than the actual object upright and the same size as the actual object slightly out of focus In normal vision, on what part of the eye do images form? In normal vision, on what part of the eye do images form?

]]> 1.0000000 0.1000000 0 true true abc The pupil The cornea The retina The lens Lenses form images by _______ 1.0000000 0.1000000 0 true true abc Reflecting light Refracting light Diffracting light Interfiring with light What is a real image? What is a real image?

]]> 1.0000000 0.1000000 0 true true abc one that is formed by a plane mirror one in which light rays actually meet at the image one through which no light rays pass one that forms when an object is exactly at the focal point of a concave mirror Which is an example of a convex lens? Which is an example of a convex lens?

]]> 1.0000000 0.1000000 0 true true abc nearsighted eyeglasses a side mirror on a car a car windshield magnifying glass 2º ESO/WAVES/SOUND A sound wave's amplitude determines: A sound wave's amplitude determines:

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> How high the pitch is

]]> How loud the sound is

]]> How high the tone is

]]> None is correct

]]> An astronaut picks up a stone from the moon and throws it hard against another stone. He doesn't hear any sound. Why not? An astronaut picks up a stone from the moon and throws it hard against another stone. He doesn't hear any sound. Why not?

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> Because your ears don't work on the moon

]]> Because there is no air on the moon and so the sound cannot travel

]]>

]]> Because there is no gravity

]]> Eco Marca las características del eco de un sonido:

]]> 1.0000000 0.1000000 0 false true abc Necesita un obstáculo que refleje el sonido a menos de 17 metros Necesita un obstáculo que refleje el sonido a más de 17 metros El sonido emitido y reflejado no se pueden diferenciar. Interfieren El sonido emitido y reflejado se pueden diferenciar. No interfieren Es típica de recintos con paredes que absorben el sonido If a sound is high-pitched and soft, the sound wave is: If a sound is high-pitched and soft, the sound wave is:

]]> 1.0000000 0.3333333 0 false true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> High frequency

]]> Low frequency

]]> High amplitude

]]> Low amplitude

]]> If a sound is low pitched and loud, the sound wave is: If a sound is low pitched and loud, the sound wave is:

]]> 1.0000000 0.3333333 0 false true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> High frequency

]]> Low frequency

]]> High amplitude

]]> Low amplitude

]]> If a sound is low pitched and quiet, the sound wave is: If a sound is low pitched and quiet, the sound wave is:

]]> 1.0000000 0.3333333 0 false true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> High frequency

]]> Low frequency

]]> High amplitude

]]> Low amplitude

]]> Reverberación Marca las características de la reverberación de un sonido:

]]> 1.0000000 0.1000000 0 false true abc Necesita un obstáculo que refleje el sonido a menos de 17 metros Necesita un obstáculo que refleje el sonido a más de 17 metros El sonido emitido y reflejado no se pueden diferenciar. Interfieren El sonido emitido y reflejado se pueden diferenciar. No interfieren Es típica de recintos con paredes que absorben el sonido Sonido del Sol No oimos el ruido que provocan las explosiones en el Sol porque:

]]> 1.0000000 0.1000000 0 true true abc Entre el Sol y La Tierra no hay materia. El Sol está muy lejos de la Tierra La atmósfera amortigua el sonido Ninguna de las otras razones El Sol solo emite luz no sonido Sound cannot travel through _____________ Sound connot travel through _____

]]> 1.0000000 0.3333333 0 true true abc Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> Vacuum

]]> Elevators

]]> Gases

]]> Liquids

]]> Timbre El timbre de un sonido nos permite (marca las respuestas correctas):

]]> 1.0000000 0.1000000 0 false true abc Distinguir las notas musicales El timbre es una vibración contínua y llamativa Distinguir el tipo de emisor de un sonido Cuanto mayor sea el timbre menor es el eco Está formado por las irregularidades en la onda de sonido