An electron is slowed down quickly from 107 m/s to 0.5 * 107 m/s, and a...

An electron is slowed down quickly from 10⁷ m/s to 0.5 * 10⁷ m/s, and a single photon is created in the process. Identify the radiation process (eg. Compton, positron emission, etc.) and compute the frequency and wavelength of the emitted photon.

Expert Solution

As electron is a charged particle and it is slowed down from to , so, it is decelerated.
And we know that when a charged particle is slowed down by deceleration it radiates energy in the form of photons by Bremsstrahlung or in other words, braking radiation.

The change in the energy is



And as and the mass of the electron is , so, the change in the energy is


And from energy conservation, this energy is converted to the created photon energy. So, the frequency of the photon is


And the wavelength of the emitted photon is

genius_generous answered 3 years ago

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