The recoil speed of a hydrogen atom after it emits a photon in a transition from the…

PHYSICS · Subjective · CBSE · Physics · Atoms · Atoms

Problem

The recoil speed of a hydrogen atom after it emits a photon in a transition from the

n=5

state to the

n=1

state is

\ldots\ldots\ldots\ \text{m s}^{-1}