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Question


Which of the following is necessary for the formation of a shadow?


Options:
A .   Glass
B .   Mirror
C .   Light
D .   Air
Answer: Option C
:
C
Shadow is formed on a surface only when the light is obstructed by an opaque or a translucent object. So, for the shadow formation, there should be a surface, an opaque or transluent object and incident light on the object.

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