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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.
Related Questions: - If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- If the cold junction of a thermo-couple is kept at 0⁰C and the hot junction is kept
- Which of the following phenomenon exhibited the particle nature of light?
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- If the cold junction of a thermo-couple is kept at 0⁰C and the hot junction is kept
- Which of the following phenomenon exhibited the particle nature of light?
- Which of the following statements is correct?
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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