Physics Elasticity Question 36
Question: Which of the following relations is true
[CPMT 1984]
Options:
A) $ 3Y=K(1-\sigma ) $
B) $ K=\frac{9\eta Y}{Y+\eta } $
C) $ \sigma =(6K+\eta )Y $
D) $ \sigma =\frac{0.5Y-\eta }{\eta } $
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Answer:
Correct Answer: D
Solution:
$ Y=2\eta (1+\sigma )\Rightarrow \sigma =\frac{0.5Y-\eta }{\eta } $