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  • Calculate the speed of sound waves in water and find the ware length of a wave having a frequency of <img alt="242 \mathrm{~Hz}" src="https://entrancecorner.oncodecogs.com/gif.latex?242%20%5Cmathrm

Calculate the speed of sound waves in water and find the ware length of a wave having a frequency of 242 \mathrm{~Hz}. (Take, Beater = 2 \times 10^9 \mathrm{~Pa} )
 

Option: 1

1414 \mathrm{~m} / \mathrm{s}, 6 \mathrm{~m}

 


Option: 2

1414 \mathrm{~m} / \mathrm{s}, 5.84 \mathrm{~m}


Option: 3

1404 \mathrm{~m} / \mathrm{s}, 5.84 \mathrm{~m}


Option: 4

1404 \mathrm{~m} / \mathrm{s}, 4.75 \mathrm{~m}


Answers (1)

best_answer

speed of sound wave.
\begin{aligned} & \mathrm{v=\sqrt{\frac{B}{a}}=\sqrt{\frac{2 \times 10^9}{10^3}} }\\ & \mathrm{v=\sqrt{2 \times 10^6}=1.414 \times 1000} \\ & \mathrm{=1414 \mathrm{~m} / \mathrm{s} .} \end{aligned}
& ware length, \mathrm{\lambda=\frac{k}{f} }
 \mathrm{\lambda=\frac{1414}{242}=5.84 \mathrm{~m} }
 

Posted by

avinash.dongre

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