Home Physics Electron, Photon, Photoelectric Effect and X-rays X - Rays Characteristic X-rays are produced due to
Physics Electron, Photon, Photoelectric Effect and X-rays X - Rays MCQ (Single Correct)

Characteristic X-rays are produced due to

A
Transfer of momentum in collision of electrons with target atoms
B
Transition of electrons from higher to lower electronic orbits in an atom
C
Heating of the target
D
Transfer of energy in collision of electrons with atoms in the target

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The correct answer is:
B

When the high energy electron hits the target and takes out an electron from the inner orbit, there is a possibility of an outer electron to fall down to fill up that vacancy. And when such a transition of electron takes place from a higher energy level to a lower energy level, the difference of energy between the two levels is given off in the form of radiation known as characteristic X-rays.

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