Physics · Modern Physics
निम्नलिखित में से किसने एक्स-रे (X-rays) की खोज की थी?
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- 1मैरी क्यूरी
- 2जे.जे. थॉमसन
- 3डब्ल्यू.सी. रॉटजन✓
- 4जेम्स चैडविक
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डब्ल्यू.सी. रॉटजन
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