Physics · Physics
रेडियोसक्रियता का सर्वप्रथम किसने खोज किया?
- 1गाइगर
- 2हेनरी बेक्वरेल✓
- 3ऑट्टो हान
- 4रदरफोर्ड
सही उत्तर देखें
हेनरी बेक्वरेल
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