Question

In about R. A. Millikan found the following stopping potential data for lithium in his photoelectric experiments:
Use these data to make a plot like Fig. 38-2 (which is for sodium)and then use the plot to find (a) the Planck constant and (b) the work function for lithium.

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Solution

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{a} Using Einstein's photo electric effect equation,

From the graph we find,
{b} ( work function ) =

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Solve any question of Dual Nature of Radiation And Matter with:-

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