A photon with wavelength of 0.1106 nm collides with a free electron that is initially at rest. After the collision the wavelength is 0.1135 nm .
What is the kinetic energy of the electron after the collision?
What is its speed?
If the electron is suddenly stopped (for example, in a solid target), all of its kinetic energy is used to create a photon. What is the wavelength of this photon?
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