Concept:The frequency of a wave is defined as the number of complete cycles per unit time.
It is the reciprocal of the time taken for one complete cycle.
Explanation:The time required for a wave to complete one full cycle is called its period, denoted by
T.
The inverse of the period is given by
f=T1This quantity
f is called the frequency of the wave.
It measures how many complete cycles occur in one second.
Hence, the inverse of the time for one full cycle is the frequency.
Answer:The correct option is C: frequency.