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Physics, 24.01.2020 16:31 coolcat3190

The intensity of an image of an object formed by a convex lens is i.
the intensity of this image can be made i÷4 by
(1) decreasing the size of the object.
(2) decreasing the sidtance of the object from the lens.
(3) covering one half of the lens with a black paper.
(4) covering three fourth of the lens with a black paper.

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The intensity of an image of an object formed by a convex lens is i.
the intensity of this imag...

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