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Eamcet Physics
1 st Year : Unit 7.1 ( Properties of Bulk Matter ) - Elasticity

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When a wire of length 10m is subjected to a force of 100 N along its length , the lateral strain produced is 0.01× 10^-3. The Poisson’s ratio was found to be 0.4. If the area of cross-section of wire is 0.025, its Young’s modulus is

A. 1.6 × 10⁸ N/m²

B. 2.5 × 10¹⁰ N/m²

C. 12.5 × 10¹¹ N/m²

D. 16 × 10⁹ N/m²

E. None of the above

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Correct choice: A

Explanation:

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Eamcet Physics 1 st Year : Unit 7.1 ( Properties of Bulk Matter ) - Elasticity

Eamcet Physics
1 st Year : Unit 7.1 ( Properties of Bulk Matter ) - Elasticity