Question

(c) What is a shadow ?​

Answer 1

Answer:

The dark region formed when an opaque object is blocked by the light.

Explanation:

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Answer 2

$\huge\mathfrak\purple{Answer}$

A shadow is a dark (real image) area where light from a light source is blocked by an opaque object. It occupies all of the three-dimensional volume behind an object with light in front of it. The cross section of a shadow is a two-dimensional silhouette, or a reverse projection of the object blocking the light.