The modulus of elasticity is dimensionally equivalent to

Stress

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Surface tension

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Strain

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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 $= \frac{s t r e s s}{s t r a i n}$ Hence, the modulus of elasticity is dimensionally equivalent to the stress

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प्रत्यास्थता गुणांक का विमीय सूत्र है

Two rods of identical dimension with youngs modulli Y1 and Y2 are joined end to end . The equivalent youngs modulus for the composite rod is (if the equivalent rod is also having same dimension as of the original rods)

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