- Young's Modulus(Y):- It is defined as the ratio of longitudinal stress to longitudinal strain.
- Shear Modulus or Modulus of rigidity(G):- It is defined as the ratio of shearing stress to the shearing strain.
- Bulk Modulus(B):- It is defined as the ratio of volume stress to the volume strain.
The negative sign indicates that with the increase in pressure, volume decreases by
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