A-sonometer-wire-60cm-long-under-a-tension-of-120N-vibrates-in-unison-with-a-turning-fork-of-frequency-512Hz-The-wire-is-then-shortened-by-2cm-the-tension-remaining-the-same-If-the-fork-and-wire-are-s Tinku Tara June 4, 2023 Oscillation and Waves 0 Comments FacebookTweetPin Question Number 35878 by NECx last updated on 25/May/18 Asonometerwire60cmlong,underatensionof120N,vibratesinunisonwithaturningforkoffrequency512Hz.Thewireisthenshortenedby2cm,thetensionremainingthesame.Iftheforkandwirearesoundedtogether,howmanybeatspersecondareheard?Whatdecreaseintensionwillberequiredtorestorethefrequencyofvibrationofthewiretotheoriginalvalue? Commented by NECx last updated on 28/May/18 somebodypleasehelp Answered by tanmay.chaudhury50@gmail.com last updated on 28/May/18 f1=12l1Tmf1=512l1=0.6meterT=120Nf2=12l2Tmf2f1=l1l2f2=f1×l1l2f2=512×0.60.58f2=512×6058=530beats=530−512=18m=T4l12f12512=12×0.58×T′mf1=12×l2×T′×4l12f12T1=l1l2×T′TT′=T×l22l12T′=120×0.58×0.580.60×0.60=112△T=120−112=8N Commented by NECx last updated on 29/May/18 wow…..ThanksmrTanmay. Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: Question-166950Next Next post: Find-the-velocity-of-the-source-along-the-line-joining-the-source-to-a-stationary-observer-if-as-a-result-of-the-motion-the-frequency-of-the-note-heard-is-a-increased-in-the-ratio-18-15-b-decreased-i Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Save my name, email, and website in this browser for the next time I comment.