The useful idea
- The useful idea
Frequency is the number of occurrences of a repeating event per unit of time.
- How it works
Frequency is an important parameter used in science and engineering to specify the rate of oscillatory and vibratory phenomena, such as mechanical vibrations, audio signals (sound), radio waves, and light.
- Why it matters
The interval of time between events is called the period.
Why this matters
Look for Frequency the next time you notice this pattern in everyday life.
Try this
Look for Frequency the next time you notice this pattern in everyday life.
Test your recall
Which idea belongs to the explanation of Frequency?
- How it works
- The useful idea — correct
- Why it matters
Frequency is the number of occurrences of a repeating event per unit of time.