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A material has Poisson 's ratio 0.50 . I...

A material has Poisson 's ratio 0.50 . If a uniform rod it suffers a longitudinal strain of ` 2 xx 10 ^(-3) ` then the percentage change in volume is

A

`0.6`

B

` 0.4`

C

` 0.2`

D

zero

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