Question

An extended source of light produces shadows with ________ edges.​

Answer 1

Answer:

A shadow formed by a point light source such as a flashlight is called an umbra. It is uniformly dark and has sharp, well-defined edges. A shadow formed by an extended light source such as a fluorescent light tube has a central dark umbra surrounded by a lighter penumbra region.

Explanation:

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Answer 2

Ans : Fuzzy edges.

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