Question

On which of the following factors the size of the shadow depends?

• A.
  Direction of light source
• B.
  Distance of light source from object
• C.
  Distance of screen from object
• D.
  Size of screen

Answer 1

Answer: (A), (B), (C)

The correct options are
A
Direction of light source
B
Distance of light source from object
C

Distance of screen from object
Size of the shadow depends on the direction and distance of source and screen from the object, it doesn't depend on the size of the screen.