If tension on a wire is removed at once, then

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8.Mechanical Properties of Solids

easy

If the tension on a wire is removed at once, then

It will break

Its temperature will reduce

There will be no change in its temperature

Its temperature increases

Solution

(d) Due to tension, intermolecular distance between atoms is increased and therefore potential energy of the wire is increased and with the removal of force interatomic distance is reduced and so is the potential energy.

This change in potential energy appears as heat in the wire and thereby increases the temperature.

Standard 11

Physics

A wire of length $50\, cm$ and cross sectional area of $1$ sq. mm is extended by $1\, mm.$ The required work will be $(Y = 2 \times {10^{10}}\,N{m^{ – 2}})$

medium

When strain is produced in a body within elastic limit, its internal energy

easy

A stretched rubber has

easy

(AIIMS-2000)

The ratio of Young's modulus of the material of two wires is $2 : 3.$ If the same stress is applied on both, then the ratio of elastic energy per unit volume will be

medium

A wire suspended vertically from one of its ends is stretched by attaching a weight of $200\ N$ to the lower end. The weight stretches the wire by $1\ mm$. Then the elastic energy stored in the wire ……… $J$

medium

If the tension on a wire is removed at once, then

Solution

Similar Questions

A wire of length $50\, cm$ and cross sectional area of $1$ sq. mm is extended by $1\, mm.$ The required work will be $(Y = 2 \times {10^{10}}\,N{m^{ – 2}})$

When strain is produced in a body within elastic limit, its internal energy

A stretched rubber has

The ratio of Young's modulus of the material of two wires is $2 : 3.$ If the same stress is applied on both, then the ratio of elastic energy per unit volume will be

A wire suspended vertically from one of its ends is stretched by attaching a weight of $200\ N$ to the lower end. The weight stretches the wire by $1\ mm$. Then the elastic energy stored in the wire ……… $J$

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