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Byju's Answer
Standard XI
Chemistry
Photoelectric Effect
The photoelec...
Question

The photoelectric emission from a surface starts only when the light incident upon the surface has a certain minimum:

A
Intensity
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B
Wavelength
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C
Frequency
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D
Velocity
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Solution

The correct option is C Frequency
The photoelectric emission from the surface starts only when the frequency of incident radiation is greater than the threshold frequency.

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