Physics · Scientific Instruments
इलेक्ट्रॉन माइक्रोस्कोप का आविष्कार किसने किया था?
- 1ज़ैकेरियस जानसेन
- 2एंटोनी वान लीउवेनहोक
- 3रॉबर्ट हुक
- 4अर्न्स्ट रुस्का और मैक्स नॉल✓
सही उत्तर देखें
अर्न्स्ट रुस्का और मैक्स नॉल
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