Question

If rigidity modulus is 2.6 times of youngs modulus then the value of poission's ratio is

• A. 0.2
• B. 0.3
• C. 0.5
• D. 0.1

Answer 1

Answer: (B)

0.3

$\begin{array}{c}\text{Young's Modulus}=2\times \text{Rigidity Modulus}\times \text{(1+ poisson's Ratio)}\\ \text{Given ,}\text{Young's Modulus}=2.6\times \text{Rigidity Modulus}\\ 2.6=2\times (1+\sigma )\\ 1.3=1+\sigma \\ \sigma =0.3\end{array}$