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
View Solution FreeMore Atomic Structure Questions
Which of the following graphs is correct for the photoelectric effect?...How many nodal spheres are present in 4s - orbital:-...The wave function of 1s orbital of H-atom is $\Psi = \frac{1}{\sqrt{\pi}}\left( \frac{1}{a_{0}} \right)^{3/2}e^{- r/a_{0...The formation of O2-(g) starting from O(g) is endothermic by 639 kJ mol-1 . If electron gain enthalpy of O(g) is –141 kJ...From the discharge tube experiment, it is concluded that...