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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 drift speed of electrons in copper wire of diameter and length l is v.
- The numebr 0 (zero) is required for
- Power dissipated in an LCR series circuit connected to an a.c source of emf ? is
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
- The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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