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The valve of Poisson's ratio lies betwee...

The valve of Poisson's ratio lies between

A

`-1 " to " (1)/(2)`

B

`-(3)/(4) " to " - (1)/(2)`

C

`- (1)/(2) " to " 1`

D

1 to 2

Text Solution

Verified by Experts

The correct Answer is:
A
`Y= 3B(1- 2 sigma) " " Y= 2eta (1 + sigma)`
`Y= 0, 1 - 2 sigma = 0 " " 1 + sigma= 0`
`rArr sigma= (1)/(2) " " rArr sigma= -1`
`therefore -1 lt sigma lt (1)/(2)`
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