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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Atomic Physics

Olympiad workbook · NSEP · Atomic Physics

A stationary hydrogen atom emits photon corresponding to the first...

A stationary hydrogen atom emits photon corresponding to the first line (highest wave length) of Lyman series. If

R

is the Rydberg constant and

M

is the mass of the atom, the recoil velocity of the atom is

Options

A $\frac{\mathrm{Rh}}{4 \mathrm{M}}$
B $\frac{3 \mathrm{Rh}}{\mathrm{M}}$
C $\frac{3 \mathrm{Rh}}{4 \mathrm{M}}$
D $\frac{\mathrm{Rh}}{\mathrm{M}}$

Correct answer

C. $\frac{3 \mathrm{Rh}}{4 \mathrm{M}}$

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