List of top Physics Questions on atom structure models asked in JIPMER

$20\, kV$ potential is applied across $X$-ray tube, the minimum wavelength of $X$-ray emitted will be

The wavelength of the energy emitted when electron come from fourth orbit to second orbit in hydrogen is $ 20,397\text{ }c{{m}^{-1}} $ . The wavelength of energy for the same transition in He+ is :

If z is the atomic number then radius of g first Bohr orbit is proportional to :