Question

a.what do you understand by shodow b. list the characters of shodow​

Answer 1

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.

B) characteristics of a shadow-

It depends on shape of the object. ...

It depends on source of light whether it is plane parallel rays or spherical.

It depends on position of the object whether the object is at infinite or finite distance.

It depends on the position of source of light.