Physics · Physics
क्रायोजेनिक इंजनों का उपयोग कहां किया जाता है?
- 1ट्रांजिस्टरों में
- 2लेजरों में
- 3टीव्ही में
- 4रॉकेटों में✓
सही उत्तर देखें
रॉकेटों में
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