Q 11-08-016NEETJEE MainEasy
The Young's modulus of a perfectly rigid body is
Answer: (D) infinite
Concept. $Y = \dfrac{\text{stress}}{\text{strain}}$.
Step 1. Rigid body. A perfectly rigid body shows zero strain for any stress, so $Y = \dfrac{\text{stress}}{0}$ is infinite.
Answer. Infinite (Option D).
Solution by Sreeraj P, M.Sc Physics