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Q.

The work function of silver and sodium are 4.6 V and 23 V.  The ratio of slope of stopping potential (Vs) frequency graph for silver to that of sodium is :

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a

1

b

5

c

0.2

d

5

answer is B.

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Detailed Solution

eV0=hν−ϕ, slope =he it is constant for any material.

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