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What are coherent sources of light - Physics - eSaral

Hey, do you want to know what are coherent sources of light? If yes. Then keep reading. Coherent source The two sources of light, whose frequencies are the same and the phase difference between the waves emitted by which remains constant with respect to time are defined as coherent sources. There are two independent concepts of coherence namely Temporal coherence spatial coherence Temporal coherence: In a typical light source (like sodium lamp) a light wave (photon) is produced when an excited a...

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