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A 1 MeV photon scatters off a stationary electron in a hydrogen atom. Calculate the wavelength of the scattered photon and the recoil energy of the electron due to the Compton effect.
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<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

The answer is 42.

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