Science · Chemistry
परमाणु में धनावेशित कैनाल किरणों (प्रोटॉन) की खोज सर्वप्रथम किसने की थी?
- 1अर्नेस्ट रदरफोर्ड
- 2जेम्स चैडविक
- 3ई. गोल्डस्टीन✓
- 4जे. जे. थॉमसन
सही उत्तर देखें
ई. गोल्डस्टीन
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