Q.

A Photoelectric material having work-function ϕ0 is illuminated with light of wavelength λ λ

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a

b

c

d

answer is E.

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Detailed Solution

hcλ−ϕ=Kmax=12mhλd2hcλ2Δλ=h22m2λd3ΔλdΔxdΔλ=(mc)hλd3λ2⇒ΔλdΔλαλd3λ2
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