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प्रश्न
What is a shadow? What things are necessary for the formation of a shadow?
उत्तर
- Shadows are formed because light travels in straight lines.
- Shadow is always against, opposite side of light source.
- Shadow is formed by opaque objects that stop high from propagating.
- Things necessary for the formation of shadow: source of light, opaque object
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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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State the conditions when only the penumbra of an opaque object is obtained on the screen.
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What are the properties of shadow?
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 |
The lighter shade of shadow is the ______.
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- Transparent objects allow light to pass through them partially.
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The shape of the shadow obtained in two positions is shown in Fig. 11.10
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