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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 steady current of 1.5 amp flows through a copper voltmeter for 10 minutes
- The excitation potential of hydrogen atom in the first excited state is
- A particle with charge q is moving along a circle of radius R with unoform speed v.
- At 0⁰C, 15 gm of ice melts to form water at 0⁰C. The change in entropy is
- When the rate of flow of charge through a metallic conductor
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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