Physics · Sound Wave Phenomenon
निम्नलिखित में से कौन सी घटना प्रतिध्वनि (echo) उत्पन्न होने का मुख्य कारण है?
- 1ध्वनि का अपवर्तन
- 2ध्वनि का परावर्तन✓
- 3ध्वनि का पारगमन
- 4ध्वनि का अवशोषण
सही उत्तर देखें
ध्वनि का परावर्तन
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