|May16-12, 03:10 PM||#1|
Compton scattering problem - how much did wavelength change by?
1. The problem statement, all variables and given/known data
How much will the wavelength of the incident X-ray photon change by if it is scattered by 30 degrees when it interacts with an electron?
2. Relevant equations
This is Compton scattering.
This is the equation I used:
lambda ' - lambda (0) = (h)/(m(e)c) (1-cos theta)
where h is planck's constant, me is the mass of the electron, c is speed of light.
3. The attempt at a solution
Basically I just subbed in everything into the equation above, and got 2.424 x 10^-12 m.
The thing I'm not sure about is whether I'm finished or not.
Does lambda ' minus lambda (0) give me the difference? Did I use the right form of the equation here? Do I need to do anything else?
Thank you :)
|May16-12, 10:10 PM||#2|
λ' - λ0 represents the increase in wavelength of the photon after scattering, as compared to the wavelength of the original photon. This increase in wavelength is at minimum 0, and at maximum twice the Compton wavelength.
|May17-12, 02:51 AM||#3|
Thank you very much, I corrected that :)
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