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Class 11 NEET Physics Properties of Matter Questions

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Question : 4

Total: 89

A metallic bar of Young's modulus, 0.5×1011Nm−2 and coefficient of linear thermal expansion 10−5‌∘C−1, length 1m and area of cross-section 10−3m2 is heated from 0∘C to 100∘C without expansion or bending. The compressive force developed in it is :

5×103N
50×103N
100×103N
2×103N

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