In the emission spectrum of hydrogen what is the

Question

wavelength of the light emitted by the transition
fro m n = 4 to n =2.

Answer 1

1/wavelength = R(1/2^2 - 1/4^2)
R = 1.09737E7

Answer 2

a hydrogen atom absorbs a photon of visible light n=2 to n=4 energy level. calculate a) the change in energy of the atom
b) the wave length (in nm) of the photon

Answer 3

3322