Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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When an Electron Strikes the Target in a Coolidge Tube, Its Entire Kinetic Energy - Physics

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Question

When an electron strikes the target in a Coolidge tube, its entire kinetic energy
(a) is converted into a photon
(b) may be converted into a photon
(c) is converted into heat
(d) may be converted into heat.

Solution

(b) may be converted into a photon
(d) may be converted into heat

When an electron strikes the target in a Coolidge tube, the kinetic energy of the electron is used in two ways. Some part of the kinetic energy is converted into a photon, while the remaining part gets converted into heat when the electron makes collisions with the atoms of the target. However, the amount of kinetic energy appearing as the photon vary from collision to collision.

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Solution When an Electron Strikes the Target in a Coolidge Tube, Its Entire Kinetic Energy Concept: Particle Nature of Light: the Photon.
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