JEE Main 10 April 2016 Paper

Section: Physics

Question : 21 of 90

Marks: +1, -0

A photoelectric surface is illuminated successively by monochromatic light of wavelengths λ and

. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, the work function of the surface is :

[Main 10 Apr 2016]

hc
3λ
hc
2λ
hc
λ
3hc
λ

Validate

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