Q. Noise is
A) Loud sound
B) Sound of high frequency
C) Unwanted sound
D) Constant sound
Explanation
Noise is defined as undesired high level of sound. It is a physical form of pollution that affects the receiver directly. Noise or pollutant sound has a value of 80 dB and above
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.