Question

The buzzing sound from a mosquito is produced when it vibrates its wings at an average rate of 1200 vibrations per second. What is the time period of the vibrations of each wing?

Answer 1

Given that,

Frequency of sound = 1200 Hz

Time = ?

we know,

• Frequency is inversely proportional to time.
• $f \infty 1 \div t$
• f = 1/t
• 1200 = 1/t
• t×1200 = 1 ( cross multiply )
• t = 1/1200
• t = 0.00083 seconds.

Therefore, the time for one vibration is 0.00083 seconds.

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