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1) A photon collides with an electron, and is scattered in a direction 40.0∘from its original...

1) A photon collides with an electron, and is scattered in a direction 40.0∘from its original direction. If the photon loses 48.0% of its momentum in the process, what was the photon's initial wavelength?

2)You scatter x-rays of wavelength 0.0109 nm from the loosely bound electrons of a target material. Find the angle at which the wavelength of the scattered x-rays is longer than the incident wavelength by a factor of f=1.0347.

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