The young’s modulus of steel is 2 xx 10^...

The young’s modulus of steel is `2 xx 10^11 N//m^2` and its coefficient of linear expansion is `1.1 xx 10^-5` per day. The pressure to be applied to the ends of a steel cylinder to keep its length constant on raising its temperature by `100^@` C will be .

`5.5xx10^4 N//m^2`

`1.8xx10^6N//m^2`

`2.2xx10^8N//m^2`

`2.0xx10^11N//m^2`

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