What wavelenght is expected for light composed of photons

1. Mar 23, 2005

moonlight1

What wavelenght is expected for light composed of photons produced by an n= 3 to n=1 transition in a hydrogen atom?

How do u work this out? Iam pretty confused.

Last edited: Mar 23, 2005
2. Mar 23, 2005

moonlight1

3. Mar 24, 2005

GCT

You should be able to find a formula for the energy of such transitions in your text, from the energy use E=hc/lamda to find the wavelength.

4. Mar 24, 2005

moonlight1

ok i did it and i got 8.1*10^-6 m.
Is that right? Thanxs.

5. Mar 24, 2005