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Question
___ is casted on a screen, when an opaque body blocks light.
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Solution
A dark area or shape is produced by a body coming between rays of light and a surface and thus obstructing the path of the light from reaching the surface. This dark area or shape, produced is called a shadow.
A dark area or shape is produced by a body coming between rays of light and a surface and thus obstructing the path of the light from reaching the surface. This dark area or shape, produced is called a shadow.
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