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The radiation emitted when an electron j...

The radiation emitted when an electron jumps from `n = 3 to n = 2` orbit in a hydrogen atom falls on a metal to produce photoelectron. The electron from the metal surface with maximum kinetic energy are made to move perpendicular to a magnetic field of `(1//320) T` in a radius of `10^(-3) m`. Find (a) the kinetic energy of the electrons, (b) Work function of the metal , and (c) wavelength of radiation.

A

1.03 eV

B

1.89 eV

C

0.86 eV

D

2.03 eV

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The correct Answer is:
A
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