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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
- The material suitable for making electromagnets should have
- The masses of two radioactive substances are same and their half lives
- A uniform force of (3i + j) newton acfs on a particle of mass 2kg
- The ratio of radii of planets A and B is K₁ and ratio of accelerations
- A Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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