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Two wires of the same material and lengt...

Two wires of the same material and length but diameters in the ratio 1 : 2 are stretched by the same force. The potential energy per unit volume for the two wire when stretched will be in the ratio

A

`81: 1`

B

`4:1`

C

`2:1`

D

`1:1`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Two wires of the same material and length but diameters in the ratio 1:2 are stretched by the same force. The potential energy per unit volume for the two wires when stretched will be radio.

    A
    `16:1`
    B
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    D
    `1:1`

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    A
    `1:1`
    B
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    D
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  • Two wires of same material and length but diameters in the ratio 1:2 are streached by the same force, the elastic potential energy per unit volume for the two wires then strechted by the same force will be in the ratio

    A
    `16:1`
    B
    `1:1`
    C
    `1:4`
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