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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 kinetic energy of an electron in the first excited state is
- Potential at a point x-distance from the centre inside the conducting sphere
- If a body is rolling on the surface, its total energy will be
- For the radioactive nuclei that undergo either α or β decay, which one
- A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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