Physics · Inventions and Discoveries
अल्फ्रेड नोबेल ने निम्नलिखित में से किसका आविष्कार किया था?
- 1डायनेमो
- 2डायनामाइट✓
- 3डीजल इंजन
- 4एक्स-रे (X-ray)
सही उत्तर देखें
डायनामाइट
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