definations of - pinhole camera , reflection ,shadow .
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A pinhole camera is a simple camerawithout a lens but with a tiny aperture, a pinhole – effectively a light-proof box with a small hole in one side. Light from a scene passes through the aperture and projects an inverted image on the opposite side of the box, which is known as the camera obscuraeffect.
the throwing back by a body or surface of light, heat, or sound without absorbing it is called reflection.
a dark area or shape produced by a body coming between rays of light and a surface is called shadow.
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the throwing back by a body or surface of light, heat, or sound without absorbing it is called reflection.
a dark area or shape produced by a body coming between rays of light and a surface is called shadow.
hope it helps you a lot.
thank you very much
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