Physics · Inventions and Discoveries
वर्ष 1895 में एक्स-रे (X-rays) की खोज किसने की थी?
- 1चेस्टर कार्लसन
- 2विल्हेम कॉनराड रॉन्टगन✓
- 3सर जे.ए. फ्लेमिंग
- 4हेनरिक डैम
सही उत्तर देखें
विल्हेम कॉनराड रॉन्टगन
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