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Question

A mosquito is making sound with its wings at an average rate of 500 vibrations per 10 seconds. The frequency of vibrations is


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Solution

Step 1: Given data in the question.

In the question, it is given that a mosquito is making sound with its wings at an average rate of 500 vibrations per 10 seconds.

Step 2: Concept and formula to be used.

  1. According to the definition of frequency, the frequency can be defined as the number of cycles per unit of time.
  2. The formula of frequency: If n is the number of cycles completed in time t then the frequency f is given by: f=nt.
  3. The unit of frequency is hertz denoted by Hz.

Step 3: Find the frequency of vibration generated by the mosquito.

Since, the number of cycles n is 500 in time 10s.

So, the frequency of vibration f is as follows:

f=50010f=50

Therefore, the frequency of vibrations is 50Hz.


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