If the de Broglie wavelength of the electron in nth Bohr orbit in a hydrogenic atom is equal to 1.5 $\pi $a0 (a0 is Bohr radius), then the value of n/z is -

Question

If the de Broglie wavelength of the electron in n^th Bohr orbit in a hydrogenic atom is equal to 1.5 $\pi $a₀ (a₀ is Bohr radius), then the value of n/z is -