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Three torches A, B and C shown in Fig. 11.7 are switched on one by one. The light from which of the torches will not form a shadow of the ball on the screen.
Answers (1)
It is well known fact that light travels in a straight line. The light from torch C will not form a shadow of the ball on the screen. Since torch C is placed parallel to the screen and the light cannot pass through the screen.
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