Light of wavelength λA and λB falls on two identical metal plates A and B respectively. The maximum kinetic energy of photoelectrons in KA and KB respectively, then which one of the following relations is true ? (λA = 2 λB)

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Light of wavelength λ_A and λ_B falls on two identical metal plates A and B respectively. The maximum kinetic energy of photoelectrons in K_A and K_B respectively, then which one of the following relations is true ? (λ_A = 2 λ_B)

K_A < K_B/2

2 K_A = K_B

K_A = 2 K_B

K_A > 2 K_B

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