List of top Physics Questions on Atomic Structure asked in IPU CET

An electron of a stationary hydrogen atom passes from the fifth energy level to the ground level. The velocity that the atom acquired as a result of photon emission will be:
In hydrogen atom spectrum, frequency of \( 2.7 \times 10^{15} \, \text{Hz} \) of EM wave is emitted when transmission takes place from 2 to 1, the frequency emitted will be
The magnetic moment of atomic neon (in units of Bohr's magnetron) is