Question

Ram uses the given setup to study about the shadow formation . He found a black patch on screen kept behind the ball when light from torch falls on the ball.a) What is the reason behind formation of shadows?b) How does the size of shadow changewhen :i) Torch moves closer to the ballii) Torch moves away from the ball

Answer 1

Answer:

a) the reason behind the shadow formation is that the opaque objects block the light, so a black patch of shadow is formed.

b)

i) when the torch moves closer to the ball, the size of the shadow will increase.

ii) When the torch moves away from the ball, the size of the shadow will decrease.

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