Calculate the wavelength of the first spectral line of the Balmer series in hydrogen spectra. (Give `R_H = 1.09737 cm^(-1)`)

Calculate the minimum wavelength of the spectral line present in Balmer series of hydrogen.

Using the Rydberg formula calculate the wavelengths of the first four spectral lines in the Lyman. Series of the hydrogen spectrum.

What is the shortest wavelength present in the paschen series of spectral lines?

Calculate the half-life of a first order reaction from their rate constants given below: 2 min^-1

Calculate the half life period of a first order reaction when the rate constant is 5 year^-1 .

Calculate the half-life of a first order reaction from their rate constants given below: 4 years^-1