Question

What is shadow ? how is shadow formed ?? of which objects shadow formed ??​

Answer 1

Answer:

Shadows are made by blocking light. Light rays travel from a source in straight lines. If an opaque (solid) object gets in the way, it stops light rays from traveling through it. This results in an area of darkness appearing behind the object.

Answer 2

Answer:

A shadow is a dark 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 cr.oss section of a shadow is a two-dimensional silhou.ette, or a reverse projection of the object blocking the light.

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