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<quiz>
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 <question type="category"><category><text>2º ESO/WAVES/MIRRORS AND LENSES</text></category></question>
 
 <!-- resourceid-resourcedataid: 18240-15048 -->
 <question type="multichoice">
    <name>
      <text>A concave lens bends light toward its _______.</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>A concave lens bends light toward its _______. </span></p>]]></text>
    </questiontext>
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      <text></text>
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    <single>true</single>
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      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
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    </incorrectfeedback>
    <answer fraction="-33.33333" format="html">
      <text>edges</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Optical axis</text>
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    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Center</text>
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    </answer>
    <answer fraction="100" format="html">
      <text>Focal point</text>
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      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18241-15049 -->
 <question type="multichoice">
    <name>
      <text>Convex lenses can form different kinds of images. What influences the type of image that forms?</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>Convex lenses can form different kinds of images. What influences the type of image that forms? </span></p>]]></text>
    </questiontext>
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      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
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    <single>true</single>
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    <answer fraction="-33.33333" format="html">
      <text>the thickness of the lens</text>
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      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>the position of the object relative to the focal length of the lens</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>the eyesight of the person using the lens</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>the curve of the lens's surface</text>
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    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18242-15050 -->
 <question type="multichoice">
    <name>
      <text>Describe the image formed by a concave lens.</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>Describe the image formed by a concave lens.</span></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>true</single>
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    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text></text>
    </incorrectfeedback>
    <answer fraction="100" format="html">
      <text>a virtual, upright image that is smaller than the actual object</text>
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        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>an enlarged, upright real image</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>an enlarged, upright virtual image</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>an upside-down virtual image that is smaller than the actual object</text>
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        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18243-15051 -->
 <question type="multichoice">
    <name>
      <text>Farsighted people must wear ______.</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>Farsighted people must wear ______.</span></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text></text>
    </incorrectfeedback>
    <answer fraction="-33.33333" format="html">
      <text>Flat lenses</text>
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      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>convex lenses</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Concave lenses</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>nevenly curved lenses</text>
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        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18244-15052 -->
 <question type="multichoice">
    <name>
      <text>In a concave mirror, light rays parallel to the optical axis reflect back through a single point. What is that point called?</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>In a concave mirror, light rays parallel to the optical axis reflect back through a single point. What is that point called? </span></p>]]></text>
    </questiontext>
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      <text></text>
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    <defaultgrade>1.0000000</defaultgrade>
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    <single>true</single>
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    <answernumbering>abc</answernumbering>
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      <text></text>
    </correctfeedback>
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      <text></text>
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    <answer fraction="100" format="html">
      <text>the focal point</text>
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    </answer>
    <answer fraction="-33.33333" format="html">
      <text>the fovea centralis</text>
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    </answer>
    <answer fraction="-33.33333" format="html">
      <text>the focal length</text>
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    </answer>
    <answer fraction="-33.33333" format="html">
      <text>the optical center</text>
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    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18245-15053 -->
 <question type="multichoice">
    <name>
      <text>In a plane mirror, how does the reflected image appear?</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>In a plane mirror, how does the reflected image appear?</span></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>true</single>
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    <answernumbering>abc</answernumbering>
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      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
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    <incorrectfeedback format="html">
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    <answer fraction="-33.33333" format="html">
      <text>upside down and much smaller than the actual object</text>
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    </answer>
    <answer fraction="-33.33333" format="html">
      <text>closer than the actual object</text>
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    </answer>
    <answer fraction="100" format="html">
      <text>upright and the same size as the actual object</text>
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    </answer>
    <answer fraction="-33.33333" format="html">
      <text>slightly out of focus</text>
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    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18246-15054 -->
 <question type="multichoice">
    <name>
      <text>In normal vision, on what part of the eye do images form?</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>In normal vision, on what part of the eye do images form? </span></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
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    <single>true</single>
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    <answernumbering>abc</answernumbering>
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      <text></text>
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      <text></text>
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    <answer fraction="-33.33333" format="html">
      <text>The pupil</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>The cornea</text>
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      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>The retina</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>The lens</text>
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        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18247-15055 -->
 <question type="multichoice">
    <name>
      <text>Lenses form images by _______</text>
    </name>
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      <text></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text></text>
    </incorrectfeedback>
    <answer fraction="-33.33333" format="html">
      <text>Reflecting light</text>
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    </answer>
    <answer fraction="100" format="html">
      <text>Refracting light</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Diffracting light</text>
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        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Interfiring with light</text>
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      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18248-15056 -->
 <question type="multichoice">
    <name>
      <text>What is a real image?</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>What is a real image?</span></p>]]></text>
    </questiontext>
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      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>true</single>
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    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
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    <incorrectfeedback format="html">
      <text></text>
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    <answer fraction="-33.33333" format="html">
      <text>one that is formed by a plane mirror</text>
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      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>one in which light rays actually meet at the image</text>
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    </answer>
    <answer fraction="-33.33333" format="html">
      <text>one through which no light rays pass</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>one that forms when an object is exactly at the focal point of a concave mirror</text>
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      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18249-15057 -->
 <question type="multichoice">
    <name>
      <text>Which is an example of a convex lens?</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span class="quizQuestion">Which is an example of a convex lens?</span></p>]]></text>
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      <text></text>
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    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>true</single>
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    <answernumbering>abc</answernumbering>
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      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
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    </incorrectfeedback>
    <answer fraction="-33.33333" format="html">
      <text>nearsighted eyeglasses	</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>a side mirror on a car</text>
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      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>a car windshield</text>
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        <text></text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>magnifying glass</text>
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        <text></text>
      </feedback>
    </answer>
  </question>
 </quiz>
