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Fundamental and Derived Units

Which one of ...

Question

Which one of the following physical quantities, is not defined in the terms of force per unit area

A

Pressure

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B

Strain

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C

Stress

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D

Young's modulus

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Solution

The correct option is B Strain
Strain, It is defined as change is length to original length an it is represented by the $ϵ$
And, $ϵ = \frac{Δ L}{L}$
Option B

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