Answer on Quantum Mechanics Question for Patricia
Determine the kinetic energy of the recoiled electron and the magnitude of its momentum.
Then we can use the Law of Energy conservation and the Law of Momentum conservation:
W1 = Ee + W2, where W2 = hf2 (h - is Plank's constant, f - frequency), f2 = 1.64x1019 Hz.
Ee = W1 - hf2.
The momentum of the photon can be found
p = hf/c = W/c, where c- is the speed of the light.
W1/c = pe + hf2/c; pe = W1/c - hf2/c
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