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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
- What should be the velocity(v) of a sound source moving towards a stationary observer
- A neutron moving with velocity v collides with a stationary particle
- If longitudinal strain for a wire is 0.03 and its poisson’s ratio is 0.5
- At which place, Earth’s magnetism becomes horizontal
- The material suitable for making electromagnets should have
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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