Laser beams are used to measure long distance because

Laser Beams Are Used To Measure Long Distance Because Physics QuestionLaser Beams Are Used To Measure Long Distance Because Physics Question

Laser beams are used to measure long distance because

Options

(a) they are monochromatic
(b) they are highly polarised
(c) they are coherent
(d) they have high degree of parallelism

Correct Answer:

they have high degree of parallelism

Explanation:

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