Question

state hooke's law. write the unit of modulus of elasticity

Answer 1

Hooke's law. Hooke's law, law of elasticity discovered by the English scientist Robert Hooke in 1660, whichstates that, for relatively small deformations of an object, the displacement or size of the deformation is directly proportional to the deforming force or load.
The unit of Young's modulus is the pascal. Please note that Young's modulus has the same units as pressure because strain = Delta L /L is a dimensionless quantity.

Answer 2

Hooke’s law, law of elasticity discovered by the English scientist Robert Hooke in 1660, which states that, for relatively small deformations of an object, the displacement or size of the deformation is directly proportional to the deforming force or load. Under these conditions the object returns to its original shape and size upon removal of the load. Elastic behaviour of solids according to Hooke’s law can be explained by the fact that small displacements of their constituent molecules, atoms, or ions from normal positions is also proportional to the force that causes the displacement.

There are three modulus of elasticity namely Young's modulus (Y), Bulk modulus (K) and modulus of rigidity corresponding to three types of the strain.

Hope this will help you.... ✌