The stopping potential V for photoelectric emission from a …

Physics Electron, Photon, Photoelectric Effect and X-rays Hard MCQ (Single Correct)

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

Slope of the line

Product of slope on the line and charge on the electron

Product of intercept along Y-axis and mass of the electron

Product of Slope and mass of electron

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The correct answer is:

Comparing this equation with ,

we get slope

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