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प्रश्न
Copper of fixed volume V is drawn into a wire of length l. When this wire is subjected to a constant force F, the extension produced in the wire is ∆l. If Y represents Young’s modulus, then which of the following graphs is a straight line?
पर्याय
∆l versus V
∆l versus Y
∆l versus F
∆l versus `1/"l"`
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उत्तर
∆l versus F
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संबंधित प्रश्न
For a given material, the rigidity modulus is `(1/3)^"rd"` of Young’s modulus. Its Poisson’s ratio is
Two wires are made of the same material and have the same volume. The area of cross-sections of the first and the second wires are A and 2A respectively. If the length of the first wire is increased by ∆l on applying a force F, how much force is needed to stretch the second wire by the same amount?
The Young’s modulus for a perfect rigid body is __________.
Define stress.
Define strain.
State Hooke’s law of elasticity
Define Poisson’s ratio.
Write down the expression for the elastic potential energy of a stretched wire.
Explain the different types of modulus of elasticity.
Derive an expression for the elastic energy stored per unit volume of a wire.
