AP EAMCET · PHYSICS · Atomic Physics
When a hydrogen atom emits a photon during a transition from to its recoil speed is about
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
The expression for the momentum of the photon, p=hλ mv=hλ v=hmλ From the formula for the Bohr's for H-atom, 1λ=R1n12-1n22 Substitute the given values in the above equation. 1λ=1.097×107 122-142 ⇒ λ=4.86×10-7 m…
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