Question

What is required to get a shadow of an opaque body?​

Answer 1

Answer:

When the light hits the opaque object it gets refracted and thus doesn't produce image. When we talk about the formation of shadow, transparent as well as translucent doesn't forms shadow whereas opaque objects form it due to refraction of light. For shadow formation, a light source is required.

Explanation:

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Answer 2

When an object hits a opaque object it's get reflected and doesn't form image.