Subject :IGK Class : Class 5
A shadow is the dark region that is formed when an opaque object is placed in the path of light. Which one of the following is not required for the formation of a shadow?
ASource of light
BScreen
COpaque object
DLens
Ans 1:
Class : Class 6
ya d is
Ans 2:
Class : Class 6
d , is the correct answer