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Q.

Frequency of a tuning fork producing sound waves in air is 280 Hz and the wavelength of sound waves in air is 1.2m. [[1]] far does the sound travel in air in 2.5 s.


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Detailed Solution

Given
frequency = 280 Hz
Wavelength = 1.2 m
Time = 2.5 s
Speed of sound wave v =υλ=280×1.2=226m/s Distance travelled in the given time, s = vt =336 x 2.5 = 840m
 
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