AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

Section: Physics

Question : 117 of 160

Marks: +1, -0

A stationary hydrogen atom undergoes a transition from n = 5 to n = 4. Recoil speed of the atom is (R = Rydberg constant, h = Plank’s constant, m = mass of the proton)

Rh
m
9m
400Rh
9Rh
400m
7Rh
400

Validate

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