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Calculate the frequency of a ntoe emitte...

Calculate the frequency of a ntoe emitted by a wire 20cm in length when stretched by a weight 8 kg, If 2m of the wore is found to weight 4g. Also calculate the velocity of transverse waves along the string

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The correct Answer is:
495,198 m/s
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A string whose length is 200 cm weight 2 g . It is stretched by a weight of 20 g . Calculate the velocity with which a transverse wave will travel along the string.

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Knowledge Check

  • A wire of length 20cm is stretched by a load of 1kg wt. if the linear density of the wire is 0.01 gm/cm, then the speed of the transverse waves on the wire will be

    A
    99 m/s
    B
    3.13m/s
    C
    9.8m/s
    D
    10m/s

  • Calculate the frequency of the second harmonic formed on a string of length 0.5 m and mass 2xx10^(-4) kg when stretched with a tension of 20 N

    A
    27.44 Hz
    B
    744.2 Hz
    C
    44.72 Hz
    D
    447.2 Hz

  • A metallic wire of diameter 0.3 mm and length 3m is stretched by hanging a weight of 2 kg . If the elongation produced is 2 mm

    A
    Young modulus is `4.16 xx 10^(11) N//m^2`
    B
    Young modulus is `2.08 xx 10^(11) N//m^2`
    C
    strain potential energy is `19.6 xx 10^(-3) J`
    D
    strain potential energy is `9.8 xx 10^(-3) J`

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    What is the speed of trasverse waves in a wire, when stretched by a weight of 25 kg ? The two metre length of the wire has a mass of 4.7 g ?

    A steel wire of length 64 cm weighs 5 g . If it is stretched by a force of 8 n N what would be the speed of transverse wave passing on it?

    A wire of length 3m and stretched by hanging a weitght of 2kg from it and the elongtion is 2mm. Calculate the Yong's modulus and the strain potential energy of the wire.

    In a Kundt's dust tube experiment a brass rod was found to resonate with 10 cm of a sonometre wire stretched by 6 kg. One hundred centimetre of the wire was found to weight 653 mg. This rod produced nodal heaps 12 cm apart in air. Calculate the velocity of sound in air.

    A steel wire of length 64 cm weighs 5 g. If it is stretched by a force of 8 N, what would be the speed of a transverse wave passing on it ?

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