The velocity of sound in a gas, in which two wavelengths 4.08 m and 4.16 m produce 40 beats in 12s, will be :
Solution
<p>${v \over {4.08}} - {v \over {4.16}} = {{40} \over {12}}$</p>
<p>$v = {{40} \over {12}} \times {{4.08 \times 4.16} \over {0.08}}$</p>
<p>$= 707.2$ m/s</p>
About this question
Subject: Physics · Chapter: Waves · Topic: Wave Motion and Types
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