The shadow of the boy does not appear when the torch is switched off. What are the conditions for the formation of his shadow?

The shadow of the boy does not appear when the torch is switched off.

1.	The shadow of the boy does not appear when the torch is switched off. What are the conditions for the formation of his shadow?
Answer» The LIGHT from which of the torch will not form a shadow of the BALL on the screen? Solution: The light from the torch C will not form a shadow on the screen because light TRAVELS in a STRAIGHT path and FORMS the shadow on the same path from which it is coming.