Environment & Ecology · Environmental Engineering
निम्नलिखित में से कौन सा स्रोत आमतौर पर सबसे उच्च स्तर की ध्वनि तीव्रता उत्पन्न करता है?
- 1घरेलू चिमनियां
- 2जेट विमान का उड़ान भरना (टेकऑफ)✓
- 3वाहनों का उत्सर्जन
- 4औद्योगिक धुएं का विसर्जन
सही उत्तर देखें
जेट विमान का उड़ान भरना (टेकऑफ)
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