M Mahesh Chandra π Tutor III β 6.28K Points π Physics Q. A decibel is (A) A musical instrument (B) The wavelength of noise (C) A musical note (D) A measure of sound level ποΈ Show Answer π Share β‘Menu β Correct Answer: (D) A measure of sound level You must be Logged in to update hint/solution π¬ Discussion π¬ Comment