Question

A stationary hydrogen atom in the first excited state emits a photon. If the mass of the hydrogen atom is m and its ionization energy is E, then the recoil velocity acquired by the atom is [speed of light = c
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Answer 1

Answer :-

$<font color= "red">$A stationary hydrogen atom emits photon corresponding to the first time of Lyman series. If R is the Rydberg's constant and m is the mass of the atom, then the velocity acquired by the atom is (neglect energy absorbed by the photon).

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Answer 2

Answer:

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Explanation:

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