Which of the following statements is correct regarding Poisson's ratio?

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It is the ratio of the longitudinal strain to the lateral strain

Its value is independent of the nature of the material

It is unitless and dimensionless quantity.

The practical value of Poisson's ratio lies between 0 and 1.

answer is C.

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Detailed Solution

The ratio of the lateral strain to longitudinal strain is called Poisson's ratio.Hence, option (a) is an incorrect statement.Its value depends only on the nature of the material. Hence, option (b) is an incorrect statement.It is the ratio of two like physical quantities.Therefore, it is unitless and dimensionless quantity.Hence, option c) is a correct statement.The practical value of Poisson's ratio lies between 0 and 0.5.Hence, option (d), is an incorrect statement.

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