ï»¿ A copper wire of length l has Young's modulus Y. If the wire is cut into two equal halves of each length l/2, what will be Young's modulus of each half? from Physics Mechanical Properties of Solids Class 11 Manipur Board

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A copper wire of length l has Young's modulus Y. If the wire is cut into two equal halves of each length l/2, what will be Young's modulus of each half?

The young's modulus of the wire will remain the same, that is Y because it is  independent of the dimensions of material.

Young's modulus is dependent on the nature of the material.
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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.
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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.

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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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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.
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