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Poisson's Effect

Consider the ...

Question

Consider the following statements.
1. Young's modulus of elasticity is defined as the ratio of normal stress to the longitudinal strain within the elastic limit.
2. Bulk modulus of elasticity is defined as the ratio of normal stress to the volumetric strain within the elastic limit.
Which of the statement(s) given above is/are correct?

A

Only 1

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B

Only 2

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C

Both 1 and 2

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D

Neither 1 nor 2

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Solution

The correct option is C Both 1 and 2
Young's Modulus represents longitudinal elasticity, while Bulk Modulus represents Volumetric elasticity, under the normal stress, i.e. stress normal to the surface.

Both the statements are correct.

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