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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
- A point charge q is placed at a distance x/2 directly above the centre of a cube
- An inclined plane of length 5.60m making an angle of 45⁰ with the horizontal is placed
- A thermodynamic system undergoes cyclic process ABCDA as shown in figure
- A source of sound and a detector are moving along the same line with same speed
- The phenomenon of radioactivity
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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