Question

Find out the wavelength of the second balmer line of he+ ion

Answer 1

Answer:

balmar series ground state is n =2

so second line of balmar series is from n=4 to n=2

fromula used: 1/ wavelength = R z^2 (1/n1^2 - 1/n2^2)

here n1=2 and n2= 4

z is atomic number

Answer 2

Answer:

here is your answer

Explanation: