Nuclear Physics and RadioactivityHard
Question
When a hydrogen atom, initially at rest emits a photon resulting in transition n = 5 → n = 1. its recoil speed is about
Options
A.10-4 m/s
B.2 × 10-2 m/s
C.4.2 m/s
D.3.8 × 10-2 m/s
mv2
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