What amount of noise may damage eardrums thus permanently impairing hearing ability?

What amount of noise may damage eardrums thus permanently impairing hearing ability?

Q. What amount of noise may damage eardrums thus permanently impairing hearing ability?

  1. 10 dB
  2. 150 dB
  3. 15 dB
  4. 50 dB

Answer: 150 dB

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page