﻿  If α is the volumetric strain and l is the longitudinal strain, then find the Poisson’s ratio in terms of a and β. from Physics Mechanical Properties of Solids Class 11 Manipur Board

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Mechanical Properties of Solids

Physics Part II

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If α is the volumetric strain and l is the longitudinal strain, then find the Poisson’s ratio in terms of a and β.

Let a wire of length l, diameter d be loaded by force F.

Let dl be the change in length and dV the change in volume, and dD be the change in the diameter.

Volume of wire before the force is applied is, Volume of wire after the force is applied is, Change in volume is,

dV = V' - V   136 Views

Define interatomic forces and give an example?

The force between atoms of the molecule is called interatomic force.

E.g.The nucleus and electron cloud of a molecule is binded by electrostatic force.
1032 Views

What is the force of cohesion?

Cohesive attraction or cohesive force is the force of attraction between same types of molecules sticking together.
651 Views

What do you understand by intermolecular forces?

Intermolecular force is the force between the molecules of the substance is called intermolecular force.

There is a dipole-dipole interaction between the molecules.
630 Views

What is the force of adhesion?

Adhesive force is the attractive force between two unlike molecules. They are caused by forces acting between two substances like electrostatic force (attraction due to opposing charges), mechanical force etc.

E.g., Force of attraction between gum and paper.

587 Views

What is the nature of inter-atomic or inter-molecular forces?

Inter-atomic or inter-molecular forces are electrostatic in nature.

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