Multiple choice

On which of the following factors does the shape of a shadow depend?

  1. Shape and size of the source of light

  2. Size and position of the source of light

  3. Shape and distance of the source of light

  4. Direction and shape of the source of light

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A shadow is always formed by an opaque object. The shape of a shadow depends upon two factors:

  1. Size of the source of light
  2. Position of the source of light. Smaller the size of the light source, larger will be the image formed and greater is the distance between the object and the light source, lighter will be the image formed.