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If the wire of length 'L' is subjected t...

If the wire of length 'L' is subjected to an external force 'F' cause to increase in length by 'l', then longitudinal strain is proportional to

A

`L//l`

B

`l xx L`

C

`l//L`

D

`l^(2)xxL`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The increase in length is l of a wire of length L by the longitudinal stress. Then the stress is protortional to

    A
    `L//l`
    B
    `l//L`
    C
    `l xx L`
    D
    `l^(2) xx L`
  • For a conical pendulum of string length L, its angular speed is proportional to

    A
    `sqrt(L)`
    B
    L
    C
    `(1)/(sqrt(L))`
    D
    `(1)/(L)`
  • The mass and length of a wire are M and L respectively. The density of the material of the wire is d. On applying the force F on the wire, the increase in length is l, then the Young's modulus of the material of the wire will be

    A
    `(Fdl)/(Ml)`
    B
    `(FL)/(Mdl)`
    C
    `(FMl)/(dl)`
    D
    `(FdL^2)/(Ml)`
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