Question

The modern term Hertz means:

A. pitch.
B. changes per second.
C. cycling
D. cycles per second.

Answer 1

D: cycles per second

Step-by-step explanation:

it's the answer for apex

Answer 2

D

Step-by-step explanation:

Hertz is the SI unit used for frequency, and it is defined as one wavelenght per second in physics. Considering that waves repeat themselves in cycles, D is a reasonable answer