write an object which can never from a circular shadow
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cylindrical shape can give a circular shadow when light is incident from its top or bottom. It will give a rectangular shadow when light is incident from its side.
In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror
In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror
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sun and opacue object
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