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Longitudinal Strain

The ratio of ...

Question

The ratio of tensile stress to the longitudinal strain is defined as

A

Bulk modulus

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B

Young's modulus

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C

Shear modulus

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D

Compressibility

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Solution

The correct option is B Young's modulus
Young's modulus is defined as the ratio of tensile (or compressive) stress to the longitudinal strain.

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Q. Which of the following statements are correct?
1. Strain in the direction of applied stress is known as longitudinal strain.
2. Tensile stress results in tensile strain in linear and lateral directions.
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4. Ratio of change in volume to original volume is known as volumetric strain.

Q. 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?

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