Question

. Umbra and penumbra are clearly visible when :
(a) the source of light is small and the object (opaque) is big
(b) the source of light is big and the object (opaque) is small.
(e) both source of light and the object are big and placed far apart.
(d) both source of light and the object are small and placed nearer to each other.​

Answer 1

hii mate

answer is 4 option

thank you

Answer 2

Answer:

Option D

Explanation:

Umbra and Penumbra are cleary visible when both source of light and the opaque object are placed nearer to each other