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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
- In an AC circuit the potential differences across an inductance and resistance joined
- In the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
- Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV.
- Function of a rectifier is
- Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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