Question

Which of the following is an acceptable description of the frequency of a transverse wave?

Answer 1

You can spot the correct choice just by looking at their units.

Frequency has units of "per second".

a). and b). are distances, so that can't be it.

d). is time, so that can't be it.

c). is a number per second.
If there's a correct6 answer anywhere on this list,
then it has to be c).