If the stopping potential of photoelectrons e | vedclass

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(B) The stopping potential of photoelectrons depends on the frequency of the incident light,not on the intensity of the light.Changing the distance of

Vedclass · Accepted Answer

$0.6$

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(B) The stopping potential of photoelectrons depends on the frequency of the incident light,not on the intensity of the light.Changing the distance of the source from the photocell only changes the intensity of the incident light (number of photons per unit area per unit time).It does not change the energy of individual photons or the frequency of the light.Therefore,the maximum kinetic energy of the emitted photoelectrons remains the same.Since the stopping potential is directly related to the maximum kinetic energy $(eV_s = K_{max})$,the stopping potential remains unchanged.Thus,the stopping potential will be $0.6 \ V$.

If the stopping potential of photoelectrons emitted by a source placed at a distance of $0.2 \ m$ from a photocell is $0.6 \ V$,then the stopping potential of photoelectrons emitted by the same source placed at a distance of $0.6 \ m$ from the photocell will be .......... $V$.

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