Question

What is the maximum wavelength of line of Balmer series of hydrogen spectrum? (R=1.09 x 10⁷ m^-1)

(a) 400 nm

(b) 660 nm

(c) 486 nm

(d) 434 nm

Answer 1

Correct option (b) 660 nm

Explanation:

For maximum wavelength in the Balmer series,