Dual Nature of Radiation and Matter

Question: Two identical metal plates show photoelectric effect by a light of wavelength ${\lambda _A}$ falls on plate A and ${\lambda _B}$ on plate B $({\lambda _A} = 2{\lambda _B})$. The maximum kinetic energy is

1) $2{K_A} = {K_B}$

2) ${K_A} < {K_B}/2$

3) ${K_A} = 2{K_B}$

4) ${K_A} = {K_B}/2$

Solution:

Explanation: No Explanation

Photon and Photoelectric Effect

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