A rod is fixed between two points at 20^\circC. The coefficient of linear expansion of material of rod is 1.1\times10^{-5}\text{/}^0C and Young's modulus is 1.2\times10^11N\text{/}m^2.Then the stress developed in the rod if temperature of rod becomes 10^\circC is

Correct Answer is : 1.32x107N/m2

NEET Exam Model Paper 2

Question : 131 of 180

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A rod is fixed between two points at 20°C. The coefficient of linear expansion of material of rod is 1.1×10−5/0C and Young's modulus is 1.2×1011N/m2.Then the stress developed in the rod if temperature of rod becomes 10°C is

1.10x106N/m2
1.32x108N/m2
1.10x1015N/m2
1.32x107N/m2

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