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The spring balance does not read properly after its long use, because
Which statement is true for a metal
Â If Young’s modulus for a material is zero, then the state of material should be
The extension of a wire by the application of load is 3 mm. The extension in a wire of the same material and length but half the radius by the same load is
The increase in length is l of a wire of length L by the longitudinal stress. Then the stress is proportional to
When compared with solids and liquids, the gases have
If the temperature increases, the modulus of elasticity
When a spiral spring is stretched by suspending a load on it, the strain produced is called
The longitudinal strain is only possible in
The Young’s modulus of a wire of length L and radius r is Y N/m2. If the length and radius are reduced to L/2 and r/2, then its Young’s modulus will be .
The ratio of the adiabatic to isothermal elasticities of a triatomic gas is
A copper wire and a steel wire of the same diameter and length are connected end to end and a force is applied, which stretches their combined length by 1 cm. The two wires will have.
When a certain weight is suspended from a long uniform wire, its length increases by one cm. If the same weight is suspended from another wire of the same material and length but having a diameter half of the first one then the increase in length will be .
The material which practically does not show elastic after effect is.
In the three states of matter, the elastic coefficient can be
The modulus of elasticity is dimensionally equivalent to
If by applying a force, the shape of a body is changed, then the corresponding stress is known as
According to Horkeâ€™s law of elasticity, within elastic limits, if the stress is increased, the ratio of stress to strain
Two wires have the same material and length, but their masses are in the ration of 4:3. If they are stretched by the same force, their elongations will be in the ratio of