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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 solid body rotates about a stationary axis, so that its angular velocity
- The ratio of speed of an electron in ground state in Bohr’s first orbit of hydrogen atom
- The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4.
- An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery
- If the focal length of a concave mirror is 50 cm, then where should the object
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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