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The Poisson's ratio is defined as...

The Poisson's ratio is defined as

A

the ratio of lateral contraction strains to longitudinal elongation strain

B

the ratio longitudinal elongation strain to lateral contraction strain

C

the ratio of tensile strain to the lateral strain

D

the ratio of normal strain to the lateral strain

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The correct Answer is:
A
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Knowledge Check

  • For a metal Y = 1.1xx10^(10) N//m^(2) and Bulk modulus is K = 11xx10^(10) N//m^(2) then Poisson's ratio is (nearly)

    A
    `0.5`
    B
    `0.7`
    C
    `0.2`
    D
    `0.9`

  • The poisson's ratio for inert gases is:

    A
    `1.40`
    B
    `1.66`
    C
    `1.34`
    D
    none of these

  • Assertion: The Poisson's ratio for diatomic gases is more than for monoatomic gases. Reason: Diatomic gases possess more degree of freedom.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If assertion is false but reason is true.

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    The Poisson's ratio of a material is 0.5. If a force is applied to a wire of this material, there is a decrease in the cross-sectional area by 4% . The percentage increase in the length is

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