When an electron jumps down from 5th Bohr orbit to 3rd Bohr orbit in H atom, then how many numbers of spectral lines will be formed ?

Find the wavelength (in angstrom) of the photon emitted when an electron jumps from the second Bohr orbit to the first bohr orbit of hydrogen atom. Ionisation potential of hydrogen atom in its ground energy state =2.17xx10^(-11) erg *"atom"^(-1)

If an electron is promoted from the first orbit to the third orbit of a hydrogen atom, by how many times will the radius of the orbit be increased?

To energise an electron from 1st Bohr orbit to the 3rd Bohr orbit for Li^(2+) ion, what is the required energy?

The ratio, of the radii of the first three Bohr orbit in H atom is

What is the energy in joules required to shift the electron of a hydrogen atom from first Bohr orbit to fifth Bohr orbit and what is the wavelength of the light emitted when the electron returns to the ground state?the ground state electron energy is -2.18x10^(-11) erg.

What is the energy in joules, requried to shift the electron of the hydrogen atom from the first Bohr orbit to the fifth Borh orbit and what is the wavelength of the light emitted when the electron returns to the ground state? The ground state electron energy is -2.18xx10^(-11) erg.

The electron in a hydrogen atom has been excited to the n -th state. What is the maximum number of spectral lines that may be emitted by the atom when the electron transits to the ground state ?

What is the velocity of electrons in'the first Bohr Orbit of Hydrogen atom:

When an electron of H-atom jumps from a higher to lower energy state, then-

If an electron drops from the third orbit (n=3) to the first orbit (n=1) of H-atom, what will be the frequency and wavelength of the radiation emitted? What would have happened if the electron jumped from the first orbit to the third orbit?