In the measurement of sound, the _____ refers to the number of vibrations per second.
A)hertz
B)decibel
C)ampere
D)ohm

Question

Quizplus · Accepted Answer

Hertz (Hz) is the unit of measurement for the frequency of sound waves, which is defined as the number of vibrations per second. Decibel (dB) is the unit of measurement for the intensity of sound, ampere (A) is the unit of measurement for electric current, and ohm (Ω) is the unit of measurement for electrical resistance.

In the Measurement of Sound, the _____ Refers to the Number