ISRO Mechanical & Aerospace 2023 - Question 4

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Topic: Material Science

The specific stiffness of a material is defined as the ratio of

  • A. Mass to Young's modulus
  • B. Density to Young's modulus
  • C. Young's modulus to Density
  • D. Young's modulus to Mass

Answer: C. Young's modulus to Density

Explanation: Specific stiffness, also known as specific modulus, is a materials property consisting of the elastic modulus (Young's modulus) divided by the mass density of the material.

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