An electron is present in the `4^(th)` excited in H-atom. When it jumps to ground state then find the maximum number of wavelengths emitted?

The ground state energy of hydrogen atom is -13.6 eV. (i) What is the kinetic energy of an electron in the 2^(nd) excited state ? (ii) If the electron jumps to the ground state from the 2^(nd) excited state, calculate the wavelength of the spectral line emitted.

When an election in hydrogen atom jumps from the third excited state to the ground state, how would the de-Broglie wavelength associated with the electron change ? Justify your answer.

If electron make transition from 7^(th) excited state to 2^(nd) state in H atom sample find the max. number of spectral lines observed.

The ground state energy of hydrogen atom is -13.6 e V . a. What is the kinetic energy of electron in the second excited state? b. If the electron jumps to the ground state from the second excited state , calculate the wavelength of the spectral line emittted.

The electron in hydrogen atom is initially in the third excited state. What is the maximum number of spectral lines which can be emitted, when it finally moves to the ground state?

A collection of H-atoms in 9th excited state returns to ground state . Calculate ratio of total number of spectral lines emitted without emitting any line in Brackett series to number of Brackett series lines .

In a hydrogen atom,electron moves from second excited state to first excited state and then from first excited state to ground state.The ratio of wavelengths is