The wavelength of the line in the Balmer series of hydrogen spectrum corresponding to the transition from n = 4 to n = 2 level is:(R = 1.097 × 107 m-1)

The wavelength of the line in the Balmer series of hydrogen spectrum c

1.	The wavelength of the line in the Balmer series of hydrogen spectrum corresponding to the transition from n = 4 to n = 2 level is:(R = 1.097 × 107 m-1)
A.	630 nm
B.	524 nm
C.	486 nm
D.	380 nm
Answer» D. 380 nm