MPSC Rajyaseva 2014 CSAT — Question 20
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त्रिस्तरीय लेझर पद्धतीतील समष्टी व्यस्ततेत ____________ . During population inversion in three state laser :
a)अंशस्थिर स्थितीत अणूंचे जास्त अधिक्य असते. / Metastable state is most populated.✓ Correct
b)निम्नतम स्थितीत अणूंचे जास्त अधिक्य असते. / ground state is most populated
c)अंशस्थिर आणि निम्नतम स्थितीत अणूंचे अधिक्य सारखे असते. / Both metastable and ground state are equally populated
d)वरीलपैकी कोणतेही नाही / None of the above
Population inversion is a state where a higher energy state (metastable state) contains more atoms than a lower energy state, which is essential for laser operation.
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त्रिस्तरीय लेझर मध्ये, अंशस्थिर अवस्था ______ मध्ये स्थिर असते. / In a three level laser, the metastable state is situated :पंपण प्रक्रीयेचे कमीत कमी प्रमाण ______ मध्ये आवश्यक असते : / Lesser amount of pumping is required in :प्रेरित उत्सर्जन प्रक्रियेसाठी त्रिस्तरीय लेझर मध्ये ______ . / For induced emission in a three level laser :
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