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What is the ratio of the Young's modulus of steel to that of copper when a steel wire of length 4.7 m and cross-sectional area 3.0 × 10^-5 m² stretches by the same amount as a copper wire of length 3.5 m and cross-sectional area of 4.0 × 10^-5 m² under a given load?

Options

  1. A0.875
  2. B1.143
  3. C1.333
  4. D1.79

Correct answer

D. 1.79

Step-by-step solution

Correct Option is : (D) 1.79

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