Physics · Physics
डेसिबल (dB) निम्नलिखित में से किसे मापने के लिए उपयोग की जाने वाली इकाई है?
- 1प्रकाश की तीव्रता
- 2ध्वनि की तीव्रता✓
- 3प्रकाश की गति
- 4ऊष्मा
सही उत्तर देखें
ध्वनि की तीव्रता
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