Physics · Scientific Instruments
मेगाफोन का मुख्य उद्देश्य क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1इंजन की यांत्रिक शक्ति की गणना करना
- 2माइक्रोमीटर जितनी सटीक दूरियाँ मापना
- 3सीमित गैसों का दाब मापना
- 4ध्वनि को संवर्धित कर दूर तक ले जाना✓
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ध्वनि को संवर्धित कर दूर तक ले जाना
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