A sound wave has a wavelength of 5 metres and travels at 500 m/s. What is its time period?

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1. A sound wave has a wavelength of 5 metres and travels at 500 m/s. What is its time period?

0.02 seconds

0.01 seconds

250 seconds

2,500 seconds

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Time period equals wavelength divided by speed: 5 metres divided by 500 m/s equals 0.01 seconds.