Physics Elasticity Question 41
For a given material, the Young’s modulus is 2.4 times that of rigidity modulus. Its Poisson’s ratio is 0.25
[EAMCET 1990; RPET 2001]
Options:
2.4
1.2
0.4
0.2
Show Answer
Answer:
Correct Answer: D
Solution:
$ Y=2\eta (1+\sigma ) $
$ 2.4\eta =2\eta (1+\sigma )\Rightarrow 1.2=1+\sigma \Rightarrow \sigma =0.2 $
BETA
