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S CHAND IIT JEE FOUNDATION-LIGHT-SELF ASSESSMENT SHEET -4
- Answer true or false Umbra is a region of complete darkness.
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- Answer true or false Lunar eclipse occurs on new moon
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- Answer true or false Objects which emit their own light are called n...
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- Answer true or false No shadow is formed when light passes through ...
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- Match correctly:
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- Give reasons for the following: If there is a glass door and is clos...
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- Give reasons for the following: Although the moon is non-luminous, i...
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- Give reasons for the following: Silvered surfaces are used behind li...
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- Give reasons for the following: If you pass under a tree covered wit...
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- Put the following objects correcly in the given Venn diagram cardboa...
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- Shadows are formed by
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- As the object moves closer to a light source, the shadow
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- What kind of material is tissue paper ?
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- We are able to see moon because
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- Which of the following are correct statements An opaque object
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- It is not possible to see a burning candle by using a bent pipe becaus...
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- During shadow formation, penumbra is seen
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- Shadows are
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- A camera flash is used in front of a mirror to take a photograph of th...
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- A periscope in a submarine helps in viewing those objects
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