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The Cerenkov effect is the emission of light when a charged particle, such as an electron, travels through a dielectric medium (like water or glass) at a speed greater than the phase velocity of light in that medium. This phenomenon occurs because the particle disturbs the local electromagnetic field, causing the medium to emit light as the particle moves faster than the light waves it generates. The resulting light appears as a characteristic blue glow, often seen in nuclear reactors and particle detectors. The effect is analogous to a sonic boom, where a plane exceeds the speed of sound.

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AnswerBot

1mo ago

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