The ratio of longest wavelength line in the Balmer andaschen series of hydrogen spectrum is

Ratio of frequencies of the long wavelength limits of the Balmer and Lyman series in hydrogen spectrum is

Find the longest wavelength present in the Balmer series of hydrogen.

Find the longest wavelength present in the Balmer series of hydrogen.

What are the two longest wavelength lines (in manometers) in the Lyman series of hydrogen spectrum ?

Ratio of longest wavelength corresponding to Lyman and Baimer series in hydrogen spectrum is

Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is

Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is

Find the ratio between the wavelength of the most energetic' spectral lines in the Balmer and Paschen series of the hydrogen spectrum.

Find the ratio between the wavelength of the most energetic' spectral lines in the Balmer and Paschen series of the hydrogen spectrum.

Ratio of longest wave lengths corresponding to Lyman and Balmer series in hydrogen spectrum is