When ultraviolet rays incident on metal plate then photoelectric effect does not occure, it occursby incidence of

Infrared rays

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X-rays

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Radio wave

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Green house effect

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Solution

The correct option is B X-rays
As
$λ_{X - r a y} < λ_{U V - r a y}$
$f_{X - r a y} > f_{U V - r a y}$
When ultraviolet rays incident on metal plate then photoelectric effect does not occur, it occurs by incidence of X-rays.

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