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In X-ray emission tubes, X-ray is emitted by the acceleration of _____

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in Engineering Physics II by (679k points)
In X-ray emission tubes, X-ray is emitted by the acceleration of _____

(a) Atoms

(b) Protons

(c) Electrons

(d) Neutrons

The question was asked during an online interview.

The doubt is from Mechanism of Light Emission in section Optics of Engineering Physics II

1 Answer

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Best answer
Right choice is (c) Electrons

Best explanation: In X-ray emission tubes, the electrons are accelerated by a very high voltage and then decelerated very fast by introducing a metal plate. In this process, the Kinetic energy of electrons is converted into light energy and, thus, X-ray is emitted.

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