Light corresponding to the transition n = 4 to n = 2 in hydrogen atoms falls on cesium metal having work function 1.9 eV. The maximum kinetic energy of the photoelectrons emitted will be-
(A) 2.55 eV
(B) 1.9 eV
(C) 1.65 eV
(D) 0.65 eV.
Correct option (D) 0.65 eV.
Explanation:
