Physics · Laser and Optics
एक मानक डीवीडी (DVD) प्लेयर में आमतौर पर उपयोग किए जाने वाले लेजर की तरंगदैर्ध्य लगभग ______ होती है।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1650 nm✓
- 2780 nm
- 3540 nm
- 4820 nm
सही उत्तर देखें
650 nm
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