Question

Which of the following physical quantities is scalar quantity ?   

A Displacement Correct Answer Incorrect Answer
B Young's Modulus Correct Answer Incorrect Answer
C Accelaration Correct Answer Incorrect Answer
D Velocity Correct Answer Incorrect Answer

Solution

The Young's Modulus of a material is a fundamental property of every material that cannot be changed.  It is dependent upon temperature and pressure however. The Young's Modulus (or Elastic Modulus) is in essence the stiffness of a material.  In other words, it is how easily it is bended or stretched.

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