Which of the following is a unique property of laser? - Study24x7
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Kritima paliwal
10 Apr 2019 09:38 AM study24x7 study24x7

Which of the following is a unique property of laser?

A

 Directional

B

Speed

C

Coherence

D

Wavelength

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  • dipshika shrivastava
    • Coherence is one of the unique properties of laser light. It arises from the stimulated emission process which provides the amplification. Since a common stimulus triggers the emission events which provide the amplified light, the emitted photons are " in step" and have a definite phase relation to each other.

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    Reply 29 Jul 2021 11:09 AM
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