List of top Chemistry Questions on Bohr's model of hydrogen atom asked in MHT CET

The wavelength of the radiation emitted, when an electron falls from infinity to stationary state 1, would be (Rydberg constant = 1.097 × 10⁷ m⁻¹)

What is the radius of first orbit of monopositive helium ion?

Calculate the wavenumber of the photon emitted during transition from the orbit of $n=2$ to $n=1$ in hydrogen atom. [ $R_{H}=109677\text{ cm}^{-1}$]

If the radius of the first Bohr orbit is $r$, then the de Broglie wavelength of the electron in the $4^{\text{th}}$ orbit will be

Calculate the radius of the third orbit of $\mathrm{He^+}$.