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1. |
The stopping potential V for photoelectric emission from a metal surface is plotted along Y-axis and frequency n of incident light along X-axis. A straight line is obtained as shown. Planck's constant is given by [CPMT 1987; Similar to MP PMT 2000; Kerala PET 2001] |
A. | Slope of the line |
B. | Product of slope on the line and charge on the electron |
C. | Make an angle \[2{{\sin }^{-1}}\,(0.72)\] with each other |
D. | Product of Slope and mass of electron |
Answer» C. Make an angle \[2{{\sin }^{-1}}\,(0.72)\] with each other | |