Question

Which sound wave measures loudness?

A. Wavelength
B. Magnitude
C. Amplitude
D. Frequency

Answer 1

Select the appropriate unit for each type of measurement.

Amplitude:

✔ meters

Frequency:

✔ hertz

Wavelength:

✔ meters

Wave speed:

✔ meters/second

Loudness:

✔ decibels

Step-by-step explanation:

Answer 2

The answer would be C. Amplitude