Three torches A, B and C showed in Figure are switched on one by one. The light from which of the torches will not form a shadow of the ball on the screen. Explain your answer.
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_____will definitely not form a shadow.
The following conditions are required for shadow formation:
A source of light,a opaque object and a screen.
Possibly one of the three conditions is not fulfilled. but cannot answer because no diagram is given
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