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प्रश्न
What are the parts of shadow?
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उत्तर
parts of shadow
- Umbra
- Penumbra
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संबंधित प्रश्न
Select the correct alternative.
Penumbra is a region of
What is a shadow? Give a reason for its formation.
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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.
How is a shadow formed? Write the conditions required for a shadow to form.
When does a shadow form?
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Rearrange the boxes given below to make a sentence that helps us understand opaque objects.
| O W S | A K E | O P A Q | U E O | B J E T | T S M |
| S H A D |
______ is always against, opposite side of light source.
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- The colour of the shadow of an object depends on its colour of the object.
- Transparent objects allow light to pass through them partially.
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A student had a ball, a screen and a torch in working condition. He tried to form a shadow of the ball on the screen by placing them at different positions. Sometimes the shadow was not obtained. Explain.
