Frequency and Period - Revision Test
The following words and letters may help you to fill in the blanks:
period, hertz, second.
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1. Frequency is the number of waves produced every
.
2. Frequency is measured in units called
.
3. The
is the time taken for one wave to pass a point.
4. In one second 200 sound waves pass a point. Calculate their frequency. Frequency =
Hz.
5. In 8 seconds 24 water waves pass a point. Calculate their frequency. Frequency =
Hz.
6. Two railway wagons pass a signal point in ten seconds. Calculate the time taken for each wagon to pass. Time =
s.
7. In a time of five seconds ten waves are sent along a piece of rope. Calculate the time to produce each wave. Time =
s.
8. Waves sent through headphone cables have a period of 0.025 seconds. Calculate their frequency. Frequency =
Hz.
9. P-waves from an earthquake have a frequency of 8 Hz. Calculate their period. Period =
s.
10. Sound waves have a frequency of 5 kHz. Calculate their period. Period =
s.