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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 concave mirror of focal length f₁ is placed at a distance d from a convex lens
- A spring balance is attched to the ceiling of lift.A man hangs his bag on the string
- A magnet of length 10 cm and magnetic moment 1 A-m² is placed
- A uniform electric field and uniform magnetic field are acting along the same
- In a semiconductor
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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