Physics · Laser Physics
रूबी लेजर (Ruby laser) में ऊर्जा अवस्थाओं के बीच जनसंख्या उत्क्रमण (population inversion) किसके माध्यम से प्राप्त किया जाता है?
- 1वैक्यूम पंपिंग (vacuum pumping)
- 2ऑप्टिकल पंपिंग (optical pumping)✓
- 3तापमान घटाकर
- 4तापमान बढ़ाकर
सही उत्तर देखें
ऑप्टिकल पंपिंग (optical pumping)
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