JEE Advanced 2013 · Paper 1 · Physics Q16

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The work functions of Silver and Sodium are 4.6 and 2.3 eV, respectively. The ratio of the slope of the stopping potential versus frequency plot for Silver to that of Sodium is

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Official answer: 1

Einstein's equation. $eV_0=h\nu-\phi$ , so $V_0=\dfrac he\nu-\dfrac\phi e$ . The slope $\dfrac he$ is the same for every metal: ratio 1.

Answer: 1

Topics:Photoelectric effect

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JEE Advanced 2013 · Paper 1, Physics question 16