Two identical metal plates shown photoelectric effect by a light of wavelength -A falls on plate A and -B on plate B-A - 2-B- The maximum kinetic energy is

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Standard XII

Physics

Hertz's Observations

Two identical...

Question

Two identical metal plates shown photoelectric effect by a light of wavelength λ_A falls on plate A and λ_B on plate B(λ_A = 2λ_B). The maximum kinetic energy is

2 K_A = K_B

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K_A=2K_B

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Solution

The correct option is B

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Two identical metal plates shown photoelectric effect by a light of wavelength λ_A falls on plate A and λ_B on plate B(λ_A = 2λ_B). The maximum kinetic energy is

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