Atomic StructureHard
Question
Light of wavelength l falls on metal having work function hc/λ0. Photoelectric effect will take place only if :
Options
A.λ ≥ λ0
B.λ ≥ 2λ0
C.λ ≤ λ0
D.λ ≤ λ0/2
Solution
For photoelectric effect to take place, Elight ≥ W ∴ 
or λ ≤ λ0
or λ ≤ λ0Create a free account to view solution
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