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hayowazzup
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Homework Statement
A photon whose energy is 8.00E-15 J is scattered off an electron at a 90 degree angle
What is the wavelength of the scattered wave?
Homework Equations
i know that Lamda = hc/E
=6.63E-34 * 3E8 / 8E-15
=2.48E-11m
The Attempt at a Solution
Does anyone know how to find out the wavelength including the scattered angle?