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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:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Four identical rods are joined to from a square. If the temperature difference
- A proton is moving in a uniform magnetic field B in a circular path of radius a
- In common base circuit of a transistor, current amplification factor is 0.95.
- A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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