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The Priniple of LASER action involves
Options
(a) Amplification of particular frequency emitted by the system
(b) Population inversion
(c) Stimulated emission
(d) All of these
Correct Answer:
All of these
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
- A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
- The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
- The radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball
- The value of workdone for rotating a magnet of magnetic moment M by an angle θ in external
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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