Chapter - 3 Sound

Q&A -Ask Doubts and Get Answers

Q
Sound

Question:

The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?

Answer:

Time period is defined as the time taken to complete one oscillation, which is the inverse of frequency.

It is given, wings vibrate 500 times in a second.

Frequency = frac{Number quad of quad oscillations}{Time quad period}

f = frac{500}{1} = 500 Hz

Time period is the inverse of frequency,

T = frac{1}{f}

T = frac{1}{500}

T = 0.002 sec


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