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प्रश्न
Three identical towels of red, blue and green colour are hanging on a clothes line in the sun. What would be the colour of shadows of these towels?
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उत्तर
The colour of shadows of all the three towels will be same as no light passes through them. Shadow will be of black colour.
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संबंधित प्रश्न
Fill in the blank.
The darkest portion of a shadow is called the ................
Select the correct alternative.
Umbra is a region of
What is a shadow? Give a reason for its formation.
State two differences between an umbra and a penumbra.
In the following diagram, draw rays to form umbra on the screen.

In the following diagram, draw rays to form a penumbra on the screen.

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Answer the following.
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What are the properties of shadow?
______ is always against, opposite side of light source.
The ______ is the darkest part of a shadow.
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