Physics Elasticity Question 165
Question: The value of Poisson’s ratio lies between
[AIIMS 1985; MP PET 1986; DPMT 2002]
Options:
A) ?1 to $ \frac{1}{2} $
B) $ -\frac{3}{4} $ to $ -\frac{1}{2} $
C) $ -\frac{1}{2} $ to 1
D) 1 to 2
Show Answer
Answer:
Correct Answer: A
Solution:
$ Y=3K(1-2\sigma ),\ Y=2\eta (1+\sigma ) $ For $ Y=0, $ we get $ 1-2\sigma =0 $ , also $ 1+\sigma =0 $
$ \Rightarrow \sigma $ lies between $ \frac{1}{2} $ and $ -1 $ .
BETA
