NEED HLP.QUICK..

bokka

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  • Jul 16, 2006
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    machan me question ekata uththarei solve karana vidhiyai ikmanata kauru hari kiyanavadha.. thnxx. thava paya 2kin exam eka... THNX..



    a violing string of length 40 cm is excited to vibrate by a nearby audio oscillator. the only resonant frequencies found in the range 500 to 1500 HZ are 880hz and 1320 hz.

    what would be the frequency of the fundemental harmonic?

    wat is da wave lngth of the fndemental harmonic..
     
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    bokka

    Active member
  • Jul 16, 2006
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    mchan menna e vidhiye thava Q ekak.. mekata uththare thiyenava.. balapan uba hadhana vidhiya haridha kiyala

    17. A string with a length of 2.5 m has two adjacent resonances at frequencies 112 Hz and 140 Hz.

    Determine the fundamental frequency of the string.

    answr is 28 Hz
     

    TDM

    Well-known member
  • Jan 7, 2007
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    onna ehenam demma..exam eka iwara welawath balapan... :lol:
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    TDM

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  • Jan 7, 2007
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    onna umbe first question ekatath answer eka demma.,..machan wave length eka harida kiyala balapan,.,mata wachane sure nehe..,i think the symbol of it is "lamda".isn't it...???(machan mama sinhala medium hinda kadda wachaneta exact meaning eka danne ne... :sorry:)
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    bokka

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  • Jul 16, 2006
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    TDM said:
    onna umbe first question ekatath answer eka demma.,..machan wave length eka harida kiyala balapan,.,mata wachane sure nehe..,i think the symbol of it is "lamda".isn't it...???(machan mama sinhala medium hinda kadda wachaneta exact meaning eka danne ne... :sorry:)



    machan thanx machan answere ekata..... eth exam eka thibba.. oya vage prashnayak thibba. mata n hoyana hati sure naha.. e hindha mama livva mama assume karanava n =2 kiyala 880 frequency ekata.. ita passe velocity hoyala f1 hevva..lakunu keeyak hari hamba vei..