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The diameter of a brass rod is 4 mm and ...

The diameter of a brass rod is 4 mm and Young's modulus of brass is `9 xx 10^(10) N//m^(2)`. The force required to stretch by 0.1 % of its length is

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Knowledge Check

  • The diameter of a brass rod is 4 mm and Young's modulus of brass is 9xx10^(10)" N/m"^(2) . The force required to stretch by 0.1% of its length

    A
    `360 piN`
    B
    36 N
    C
    `144pixx10^(3)N`
    D
    `36 pixx10^(5)N`

  • The area of a cross-section of steel wire is 0.1 cm^(-2) and Young's modulus of steel is 2 x 10^(11) N m^(-2) . The force required to stretch by 0.1% of its length is

    A
    1000 N
    B
    2000 N
    C
    4000 N
    D
    5000N

  • The area of a cross section of steel wire is 0.1cm^2 and Young's modulus of steel is 2xx10^(11)Nm^-2 . The force required to strech by 0.1% of its length is

    A
    `1000N`
    B
    `2000N`
    C
    `4000N`
    D
    `5000N`

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    A copper wire of length 4.0 mm and area of cross-section 1.2 cm^(2) is stretched with a force of 4.8 xx 10^(3) N. If Young's modulus for copper is 1.2xx10^(11) N//m^(2) , the increases in the length of the wire will be

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