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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
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
- A galvanometer of 50 Ω resistance has 25 divisions. A current of 4×10⁻⁴ A gives
- The radius of a nucleus of mass number A is directly proportional to
- When we hear a sound, we can identify its source from
- A body starts from rest, what is the ratio of the distance travelled by the body
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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