The wave lengths of first member of Balmer series of a hydrogen atom is nearly (The value Rydberg constant is 1.08 xx 10^(7)m^(-1))

The wave lengths of first member of Balmer series of a hydrogen atom i

1.	The wave lengths of first member of Balmer series of a hydrogen atom is nearly (The value Rydberg constant is 1.08 xx 10^(7)m^(-1))
Answer» `4400 A^@` `5500 A^@` `6600 A^@` `7700 A^@` Solution :`1/(lambda)= barv = R ( 1/(n_1^2) - 1/(n_2^2)) n_1 , n_2 = 3`