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State and explain Hooke’s law. Define modulus of elasticity and write its dimensional formula.  

Sarthaks Test For Class 7-12

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Within elastic limit stress and strain are proportional to each other. Stress  strain OR   constant (modulus of elasticity). 

Modulus of elasticity is defined as ratio of stress acting on the body to the resulting strain in it.

[Modulus of elasticity]= [L-1MT-2

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