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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.
Related Questions: - A wave travelling in the +ve x-direction having displacement along y-direction as 1m
- A sample of radioactive element has a mass of 10 gram at an instant t=0.
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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
- A wave travelling in the +ve x-direction having displacement along y-direction as 1m
- A sample of radioactive element has a mass of 10 gram at an instant t=0.
- A parallel beam of fast moving electrons is incident normally on a narrow slit.
- Two identical cells of the same e.m.f. and same internal resistance
- A radiactive substance emits 100 beta particles in the first 2s and 50 beta
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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