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Q: What is the unit of the physical quantity "Young's modulus"?
  • A. newton
  • B. erg
  • C. joule
  • D. pascal
Correct Answer: Option D - For short deformations, the ratio of longitudinal stress and longitudinal strain is called the young elasticity coefficient of the material of that object. Its unit is Newton/m2 or Pascal.
D. For short deformations, the ratio of longitudinal stress and longitudinal strain is called the young elasticity coefficient of the material of that object. Its unit is Newton/m2 or Pascal.

Explanations:

For short deformations, the ratio of longitudinal stress and longitudinal strain is called the young elasticity coefficient of the material of that object. Its unit is Newton/m2 or Pascal.