Determine the wavelength and frequency of the radiation having the longest wavelength in Lyman series of hydrogen atom.

Calculate the shortest and longest wavelength in Lyman series of hydrogen spectrum.

Calculat ethe wave length and frequency associated with the spectral line having longest wave lengthin the Pfund series of hyrogen spectra.

Calculate the wavelength of the spectral line having minimum energy in the Lyman series of hydrogen atom.

The shortest wavelength of H atom in Lyman series is x, then find the longest wavelength in Balmer series of He^+ ion.

Calculate the wavelength of the spectral line with n_(2)=3 in Lyman series of hydrogen atom.

Among the photoelectrons, emitted due to incidence of light of frequency f on a metal surface , only the electrons having the highest kinetic energy can ionise a hydrogen atom. If this experment is performed with light of frequency 5/6f , the photoelectron having the highest kinetic energy can excite a hydrogen atom and from this excited hydrogen atom a photon of wavelength 1215 Å is emitted . Determine the (i) work function of the metal and

Among the photoelectrons, emitted due to incidence of light of frequency f on a metal surface , only the electrons having the highest kinetic energy can ionise a hydrogen atom. If this experment is performed with light of frequency 5/6f , the photoelectron having the highest kinetic energy can excite a hydrogen atom and from this excited hydrogen atom a photon of wavelength 1215 Å is emitted . Determine the (ii) value of f. Given h=6.625 xx10^(-34)*s,c=3xx10^(8)*s^(-1), 1 eV=1.6 xx10^(-19)J , ionisation energy of hydrogen =13.62 eV.

if the shortest wavelength of H-atom in Lyman series is X, then longest wavelength in Paschen series of He^(+) is-

Calculate the wavelength of radiations in the Lyman series when an electron falls from fourth stationary state of hydrogen atom: (R_H=1.1xx10^7m^-1)

What do you mean by 'Dual nature of electron? Derive De-Broglie's equation. Calculate the wavelength of the radiation emitted, producing a line in the Lyman series when an electron falls from fourth stationary state in hydrogen atom. (R_H = 1.1xx10^7m^-1)