Question

If Young modulus is three times of modulus of rigidity, then Poisson ratio is equal to:

• A. $0.2$
• B. $0.3$
• C. $0.4$
• D. $0.5$

Answer 1

The correct option is D $0.5$

Given,

$E=3G$

$2(1+m)=\frac{3G}{G}$

$m=\frac{3}{2}-1=\frac{1}{2}=0.5$