Question

Poisson's ratio of a material is 0.3. Then the ratio of Young's modulus to bulk modulus is

• A. $0.6$
• B. $0.8$
• C. $1.2$
• D. $1.4$

Answer 1

The correct option is C $1.2$

$E=3k(1-2\mu )$
Where Poisson's ratio
$\mu =0.3$
$\Rightarrow \frac{E}{K}=3(1-2\mu )=3(1-2\times 0.3)=1.2$