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09/01/2021 4:39 pm
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A sound wave causes the density of air at a place to oscillate 1200 times in 2 minutes. Find the time period and frequency of the wave.
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09/01/2021 4:45 pm
Frequency = \(\frac{1200}{2 \times 60}\) = 10 Hz
Time period = ? Frequency = \(\frac{1}{T}\)
∴ T = \(\frac{1}{Frequency}\) = \(\frac{1}{10}\) = 0.1 s