describe the formation of shadow when an extended source of light is smaller.
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Are you Belluga?
Explanation:
When light rays fall on an o
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Answer:
The penumbra can be formed when light from one source is blocked with light from another source filling in some of the shadow. Formation of shadow by extended source of light:
(i) When extended source is smaller than opaque body;However, size of umbra is very large as compared to penumbra.
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