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The magnitude of force developed by rais...

The magnitude of force developed by raising temperature from `0^(@)` to `100^(@)C` of an iron bar 1.00 m long and `1cm^(2)` cross-sectional area `(alpha=10^(-5)//.^(@)C and Y=10^(11)N//m^(2))`

A

`10^(3)N`

B

`10^(4)N`

C

`10^(5)N`

D

`10^(9)N`

Text Solution

Verified by Experts

The correct Answer is:
B
The magnitude of force is
`F=YA alphaDeltaT=10^(11)xx10^(-4)xx10^(-5)xx100=10^(4)N`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 06-PAPER 1 (PHYSICS & CHEMISTRY)
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