There is no change in volume of a wire due to change in its length on stretching. The Poisson’s ratio of the material of the wire is

Q: There is no change in volume of a wire due to change in its length on stretching. The Poisson’s ratio of the material of the wire is

(a) + 0.25

(b) -0.25

(c) – 0.5

(d) + 0.5

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Ans: (c)