Question

1. frequency is measured in

a meters
b hertz
c meters per second
d calories

Explanation:

Frequency is the number of occurrences of a repeating event per unit of time. In the International System of Units (SI), the unit of frequency is the hertz (Hz), named after the German physicist Heinrich Hertz. Meters measure length, meters per second measure speed, and calories measure energy.

Answer:

B. Hertz