A rod of length L and diameter D is subjected to a tensile

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A rod of length L and diameter D is subjected to a tensile load P. Which of the following is sufficient to calculate the resulting change in diameter?

1. Young's modulus
2. Shear modulus
3. Poisson's ratio
4. Both Young's modulus and shear modulus

Correct Option: D

Both Young's modulus and shear modulus