A material has Poisson’s ratio 0.50. if a uniform rod of it suffers a longitudinal strain of 2 × 10-3 , then the percentage change in volume is

Q: A material has Poisson’s ratio 0.50. if a uniform rod of it suffers a longitudinal strain of 2 × 10-3 , then the percentage change in volume is

(a) 0.6

(b) 0.4

(c) 0.2

(d) zero

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Ans: (b)