Advertisements
Advertisements
Question
The Young’s modulus for a perfect rigid body is __________.
Options
0
1
0.5
infinity
Advertisements
Solution
The Young’s modulus for a perfect rigid body is infinity.
APPEARS IN
RELATED QUESTIONS
If a wire is stretched to double of its original length, then the strain in the wire is __________.
The load-elongation graph of three wires of the same material as shown in the figure. Which of the following wire is the thickest?

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?
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?
Define strain.
A spring balance shows wrong readings after using it for a long time. Why?
What is the effect of temperature on elasticity?
Write down the expression for the elastic potential energy of a stretched wire.
Explain the different types of modulus of elasticity.
