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School Physics Quiz : Light


Answer the following questions based on light.

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Multiple choice

Your Performance  

1.

Light from the sun takes about _______ minutes to reach the earth.

  eight

  six

  four

  Half-n-half Clue
 

2.

Bodies that radiate light are called

  luminous

  non-luminous

  opaque

  Half-n-half Clue
 

3.

_______ is an instrument used to compare the luminous intensities of two sources of light.

  Camera

  Electroscope

  Photometer

  Half-n-half Clue
 

4.

Non-luminous bodies become visible when they _______ light into our eyes.

  refract

  reflect

  radiate

  Half-n-half Clue
 

5.

Materials through which objects can be seen clearly are said to be

  opaque

  transparent

  translucent

  Half-n-half Clue
 

6.

If the power of a light source is measured in candelas and distance in meters, then the illuminance of the surface is in

  Watt

  Joule

  Lux

  Half-n-half Clue
 

7.

The solar eclipse occurs more frequently than the lunar eclipse.

  True

  False

 


 
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