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The work function of Silver and sodium a...

The work function 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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The correct Answer is:
[1]

`V_s=h/ev-phi/e`
Slope = `h/e` for all materials.
Ratio of slope = 1
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