An x-ray photon of wavelength 1500 pm is absorbed by a, Ask an Expert

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An x-ray photon of wavelength 150.0 pm is absorbed by a stationary helium atom.

(a) What is the momentum of the photon?

(b) What is the velocity of the helium atom (4.0026 amu) after absorbing the photon?

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Reference No.:- M91014626

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