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Science · Grades 9–12

Frequency and period

Period is the time for one complete cycle.

Make a worksheet

The key idea

Period is the time for one complete cycle.

T = 1/f, f > 0

Worked examples

A repeating signal has frequency 134 Hz. Find its period in seconds as a fraction.

T = 1/134 s

1/134 s

A repeating signal has frequency 66 Hz. Find its period in seconds as a fraction.

T = 1/66 s

1/66 s

Try it yourself

  1. A repeating signal has frequency 148 Hz. Find its period in seconds as a fraction.

  2. A repeating signal has frequency 102 Hz. Find its period in seconds as a fraction.

Check your understanding

Answers and marking notes
  1. 1/148 s

    T = 1/148 s

  2. 1/102 s

    T = 1/102 s

Further reading and review references

These are reference links, not copied exercises, institutional endorsement or proof of independent review.

Learning preview · teacher review required. Grade bands are approximate, not official curriculum alignment.