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Sound waves of wavelength lamdatravelling in a medium with a speed of v m/s enter into another medium where its speed is 2v m/s. Wavelength of sound waves in the second medium is

Answer» <html><body><p>`lamda`<br/>`(lamda)/(2)`<br/>`2lamda`<br/>`4lamda`</p>Solution :We have ,` <a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a> = <a href="https://interviewquestions.tuteehub.com/tag/f-455800" style="font-weight:bold;" target="_blank" title="Click to know more about F">F</a> lamda implies v prop lamda (because f =` <a href="https://interviewquestions.tuteehub.com/tag/constant-930172" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTANT">CONSTANT</a>) <br/> `implies (v_(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>))/( v_(2)) = (lamda _(1))/( lamda_(2)) implies (v)/( 2c) = (lamda)/( lamda_(2)) implies lamda_(2) = 2 lamda `</body></html>


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