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In photoelectric effect, the electrons are ejected from metals if the incident light has a certain minimum

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In photoelectric effect, the electrons are ejected from metals if the incident light has a certain minimum 

(a) wavelength 

(b) frequency 

(c) amplitude 

(d) angle of incidence.

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1 Answer

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Best answer

The correct option is (b) frequency.

Explanation:

Minimum energy i.e. minimum frequency is needed.

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