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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Electromagnetic Waves
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Q)

Laser beams are used to measure long distances because:

(a)Theyaremonochromatic(b)Theyarepolarized(c)Theyarecoherent(d)Theyhavehighdegreeofparallelism

 

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