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The pressure that has to be applied to t...

The pressure that has to be applied to the ends of a steel wire of length 10cm to keep its length constant when its temperature is raised by `100^@C` is : (For steel Young's modulus is `2xx10^11 Nm^-2` and coefficient of thermal expansion is `1.1xx10^-5K^_1`)

A

`2.2xx10^(7) Pa`

B

`2.2xx10^(6) Pa`

C

`2.2xx10^(5) Pa`

D

`2.2xx10^(9) Pa`

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-ELASTICITY AND THERMAL EXPANSION-Exercise - 4 (Level-I)
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  2. A wire fixed at the upper end stretches by length l by applying a forc...

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  3. If 'S' is stress and 'Y' is young's modulus of material of a wire, the...

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  4. A wire elongates by l mm when a load W is hanged from it. If the wire ...

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  5. Two wires are made of the same material and have the same volume. Howe...

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  6. A metal rod of Young's modulas Y and coefficient of thermal expansion ...

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  7. An aluminium sphere of 20cm diameter is heated from 0^(@)C to 100^(@)C...

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  8. A wooden wheel of radius R is made of two semicircular part . The two ...

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  9. A sonometer wire of length 1.5m is made of steel. The tension in it pr...

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  10. The pressure that has to be applied to the ends of a steel wire of len...

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  11. A pendulumd made of a uniform wire of cross sectional area (A) has tim...

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  16. A solid sphere of radius r made of a soft material of bulk modulus K i...

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