Question

0.4(a) What is a shadow ? Explain by giving an example​

Answer 1

Answer:

If it is a point source of light, then it forms a simple shadow called an umbra. ... For example, when a shadow is cast on dense mist or fog, you can observe this effect.

Answer 2

A shadow is a dark (real image) area where light from a light source is blocked by an opaque object. ... The cross section of a shadow is a two-dimensional silhouette, or a reverse projection of the object blocking the light. Example:- Shadows of visitors to the Eiffel Tower, viewed from the first platform.