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JEE PHYSICS MCQ: ATOMS

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Application +4 | -1
A stationary hydrogen atom emits photon corresponding to the first line of Lyman series. If RR is the Rydberg’s constant and MM is the mass of the atom, then the velocity acquired by the atom is (neglect energy absorbed by the photon)
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Correct option: B
3Rh4M\frac{{3Rh}}{{4M}}
Option B (3Rh4M\frac{{3Rh}}{{4M}}) is correct because it applies conservation of momentum and the Rydberg formula to find the recoil velocity of the hydrogen atom.

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