Q. The unit of noise pollution (level) is :
Answer: decibel
Notes: Noise pollution refers to any unpleasant, damaging or irritating noise that has the potential to harm people, wildlife or the environment. The decibel (dB) is the main unit used to measure the intensity or loudness of sounds. A sound can also be measured by its pitch, which is the frequency of sound vibrations per second.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 63 in Physics GK 16 - Sound Waves in above course in App.