Fundamentholfundamenthol
JEE Main2019Physics
Q.

In a photoelectric effect experiment the threshold wavelength of light is 380 nm. If the wavelength of incident light is 260 nm, the maximum kinetic energy of emitted electrons will be :

Given E (in eV) 

  1. A

    4.5 eV

  2. B

    15.1 eV

  3. C

    3.0 eV

  4. D

    1.5 eV

Solution

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