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Question

The modulus of elasticity is dimensionally equivalent to

A
Stress
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B
Surface tension
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C
Strain
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D
Coefficient of viscosity
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Solution

The correct option is A Stress
Hookes law establishes the relationship between stress and strain
Stress: The force per unit area
Strain: The elongation or contraction per unit length (dimensionless)
The ratio of stress to strain is known as the elastic modulus of the material
Elastic Modulus =stressstrain Hence, the modulus of elasticity is dimensionally equivalent to the stress

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