An x-ray photon scatters from a free electron at rest at an angle of 120 ∘ relative to the incident direction. a) if the scattered photon has a wavelength of 0.330 nm, what is the wavelength of the incident photon? b) determine the energy of the incident photon. c) determine the energy of the scattered photon. d) find the kinetic energy of the recoil electron.

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

the independent variable, or the one that is intentionally manipulated is the speed.

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