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Q.

In photoelectric experiment, if the stopping potential (V0) is plotted against 1λ of the incident radiation for two different metals following graph was obtained.  Correct statement regarding the graph are 

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a

Work function for metal-I is more than metal-II

b

When both metals are exposed to radiation of same wavelength, the stopping potential of metal-II is more than metal-I

c

Slope of the curves for both the metals is same and value is 1.21×106J.m.c1

d

Work function for metal-II is more than m    etal-I

answer is A, C.

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Detailed Solution

E=W+K.Ehcλ=hcλ0+e.V0V0=hce.λ+(hce.λ0)

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