Question

The values of Young’s and bulk modulus of elasticity of a material are $10 \times 10 ^ { 10 } \mathrm {~N} / \mathrm { m } ^ { 2 }$

respectively. The value of Poisson’s ratio for the material will be

• A. 0.25
• B. – 0.25
• C. 0.37
• D. – 0.37

Answer 1

Answer: (C)

0.37

Answer 2

$8 \times 10 ^ { 10 } = 3 \times 10 \times 10 ^ { 10 } ( 1 - 2 \sigma )$

⇒ $\sigma = 0.37$