The second member of Lyman's series is hydrogen spectrum has a wavelength of 5400 Å. Calculate the wavelength of the first member.

The second member of Lyman series in hydrogen spectrum has wavelength of 5400overset@A .What is the wavelength of first member in the same series ?

The second member of Lyman series in hydrogen spectrum has wavelength 5400 Å . Find the wavelength of first member.

The first member of Balmer series in hydrogen spectrum has a wavelength of 6563overset@A .What will be the wavelength of Lyman series in the same spectrum ?