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Question

In photoelectric effect, the kinetic energy of photoelectrons increases linearly with the

A
Wavelength of incident light
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B
Frequency of incident light
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C
Velocity of incident light
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D
Atomic mass of an element.
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Solution

The correct option is B Frequency of incident light
The kinetic energy of photoelectrons increases linearly with the frequency of the incident light used.
As per equation of photoelectric effect kinetic energy is given as:
K.E.=hνhνo
Where, ν is frequency.
Hence,
K.E.ν

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