Fundamentholfundamenthol
JEE Main2019Physics
Q.

A hydrogen atom, initially in the ground state is excited by absorbing a photon of wavelength 980 Å. The radius of the atom in the excited state, in terms of Bohr radius a0, will be (hc = 12500 eV-Å)

  1. A

    4a0

  2. B

    9a0

  3. C

    25a0

  4. D

    16a0

Solution

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