Physics · Inventions and Discoveries
निम्नलिखित में से कौन-सा युग्म सुमेलित नहीं है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1जेम्स वाट - वाष्प इंजन
- 2ए. जी. बेल - टेलीफोन
- 3जे. एल. बेयर्ड - टेलीविजन
- 4जॉन परकिंस - पेनिसिलिन✓
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जॉन परकिंस - पेनिसिलिन
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