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In photoelectric effect, stopping potent...

In photoelectric effect, stopping potential depends on

A

frequency of the incident light

B

intensity of the incident light by varies surce distance

C

emitter's properties

D

frequency and intensity of the incident light

Text Solution

Verified by Experts

The correct Answer is:
A, C
`hv = hv_(0) + eV_(s) , V_(s) = ((hv - hv_(0)))/(e) , eV_(s) = hv - phi`
Here `v=` frequency of incident light and `phi =` properties of emitter
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Knowledge Check

  • In a photoelectric experiment, if stopping potential is applied, then photocurrent becomes zero. This means that:

    A
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    B
    the photoelectrons are emitted but are reabsorbed by the emitter metal
    C
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    D
    the photoelectrons are dispersed from the sides of the apparatus.

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    C
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    D
    more than 2 V

  • In photoelectric effect experiment, the stopping potential for incident light of wavelength 4000 Å, is 3V. If the wavelength is changed to 2500 Å, the stopping potential will be

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    C
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    D
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