Q. Which one of the following is the permissible level of noise in a silent zone at daytime?

  • (A) 50 dB
  • (B) 60 dB
  • (C) 65 dB
  • (D) 75 dB
✅ Correct Answer: (D) 75 dB

Published by Vishal Gupta ⭐ 7.73K Points at 14-Dec-2022 08:33 pm in Physics

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