Q.

Elasticity in the material is due to
1. The change is effective radius of the molecules.
2. The change in intermolecular distance and restoring forces starts acting on the molecules.
3. The deforming forces acting on it.
Which option is true
(a)1 and 2
(b)2 and 3
(c)1 and 3
(d)Only 2 Right sign
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