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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 liquid wets a solid completely. The meniscus of the liquid in a sufficiently long
- The velocity of image when object and mirror both are moving towards each other
- A total charge of 5µC is distributed uniformly on the surface of the thin walled
- What is the dimension of impedance?
- A charge of 40 µC is given to a capacitor having capacitance C=10 µF
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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