engineering recuitment HPCL Engineer Mock Test 2024 Environmental Engineering Air and Noise Pollution

एक ही स्थान पर दो स्रोतों 100 dB तथा 50 dB से उत्पन्न ध्वनि के कारण परिणामी ध्वनि स्तर क्या होगा?

1
2 dB
2
50 dB
3
100 dB
4
150 dB
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters