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Shadows consist of two portions, the umb...

Shadows consist of two portions, the umbra and the penumbra. Which statement below applies ONLY to the umbra?

A

It receives no light from any part of the source

B

It receives light from part of the source

C

it is a partial shadow

D

It is circular in shape

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The correct Answer is:
A

The umbra is that portion of a shadow which does not receive light from any part of the light source
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