Physics Elasticity Question 167
Question: There is no change in the volume of a wire due to change in its length on stretching. The Poisson’s ratio of the material of the wire is
[MH CET 2004]
Options:
A) + 0.50
B) ? 0.50
C) 0.25
D) ? 0.25
Show Answer
Answer:
Correct Answer: B
Solution:
We know that $ \frac{dV}{V}=(1+2\sigma )\frac{dL}{L} $ If $ \sigma =-\frac{1}{2} $ then $ \frac{dV}{V}=0 $ i.e. there is no change in volume.
BETA
