Physics · Optics
संयुक्त सूक्ष्मदर्शी (Compound Microscope) का आविष्कार किसने किया था?
- 1रोमर
- 2जेड. जॉनसन (Z. Janssen)✓
- 3आइंस्टीन
- 4गैलीलियो
सही उत्तर देखें
जेड. जॉनसन (Z. Janssen)
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