Physics · Scientific Instruments
डेसिबल मीटर के अंदर वह मुख्य घटक कौन सा है जो ध्वनि दबाव का पता लगाने में मदद करता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1चुंबकीय कॉइल (Magnetic coil)
- 2माइक्रोफोन (Microphone)✓
- 3एलईडी सेंसर (LED sensor)
- 4ऑप्टिकल फाइबर (Optical fiber)
सही उत्तर देखें
माइक्रोफोन (Microphone)
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