Science · Science and Technology
लेजर के पीछे के सिद्धांत की खोज किसने की?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1D) मैरी क्यूरी
- 2C) आइजैक न्यूटन
- 3B) अल्बर्ट आइंस्टीन✓
- 4A) विल्हेम कॉनराड रॉन्टगन
सही उत्तर देखें
B) अल्बर्ट आइंस्टीन
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