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The stopping potential V for photoelectr...


The stopping potential `V` for photoelectric emission from a metal surface is plotted along Y - axis and frequency `v` of incident light along X - axis . A straight line is obtained as shown . Planck's constant is given by

A

slope of the line

B

product of slope of the line and charge on the electron

C

intercept along Y - axis divided by charge on the electron

D

product of intercept along X - axis and mass of the electron

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The correct Answer is:
B
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