Sainik School Entrance Exam 2018 Solved Paper

Question : 97 of 150

Marks: +1, -0

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 vibration?

2 s
0.002 s
0.02 s
0.2 s

Validate

Solution:

(b) Frequency

=500

vibrations/second.
Time Period

=

Time taken)/ Number of oscillations

=(1 / 500)=0.002 {\sec} .

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