A photoelectric surface is illuminated successively by monochromatic light of wavelengths λ and (λ)/2. 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:

Dual Nature of Matter and Radiation: JEE Main 2016 Physics question

JEE Main 2016 · 10 Apr, Morning shift · Q6624

JEE Main 201610 Apr, Morning shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

A photoelectric surface is illuminated successively by monochromatic light of wavelengths

\lambda

and

{\lambda \over 2}.

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 :

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JEE Main 2016 Dual Nature of Matter and Radiation Question with Solution (10 Apr Morning shift, Q6624) | JEE Arc