what is the frequency of a sound wave whose time period is 0.05 sec

  f = 1/T

or, f = 1 / 0.05 = 20 Hz.

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Since, Frequency=1/Time Period

Therefore, Frequency=1/0.05

                                   =20Hz

SO the frequency of sound wave whose time period is 0.05 is 20Hz

Hope it helps!

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A sphere of mass 5 kg and volume 2.2∗10-2m³ is kept in water. Find the buoyant force exerted by water on the sphere. Assume the density of water as 1000 kg ⁄ m³ and 'g' as 9.8m ⁄ s²

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Frequency= 1/ Time Period.= 1/0.05= 20Hz
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F=1 ; t=0.05sec F=1/0.05=20 hz
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Q. What is the frequency of a sound wave whose time period is 0.05 sec ? Sol. Time Period = 0.05 sec (Given) Frequency = 1/Time Period = 1/0.05 = 20Hz (Hertz) Hope this answer helps ... :)
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