MCQ
The correct formula to determine Youngs Modulus of elasticity will be:
- A$Y =\frac{ Mgl }{\pi r^2 L}$
- B$Y =\frac{ Mg }{\pi r^2 L}$
- ✓$Y =\frac{ MgL }{\pi r^2 l}$
- D$Y =\frac{ Mg r^2}{\pi L l}$.
✓
Answer
Correct option: C.
$Y =\frac{ MgL }{\pi r^2 l}$
C
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