Question

Which is correct relation. ($\sigma$ is Poisson's Ratio, Y is the young's Modulus)

• A. Y $<\sigma$
• B. Y $>\sigma$
• C. Y$=\sigma$
• D. $\sigma =+1$

Answer 1

The correct option is B Y $>\sigma$

b) $\sigma =\frac{\Delta d}{d}\times \frac{l}{\Delta l}$