Advertisements
Advertisements
प्रश्न
Which one of these is more elastic, steel or rubber? Why?
Advertisements
उत्तर
Steel is more elastic than rubber. If equal stress is applied to both steel and rubber, the steel produces less strain. So Young’s modulus is higher for steel than rubber. Hence steel is more elastic than rubber.
APPEARS IN
संबंधित प्रश्न
Consider two wires X and Y. The radius of wire X is 3 times the radius of Y. If they are stretched by the same load then the stress on Y 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?
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?
Which of the following is not a scalar?
If the temperature of the wire is increased, then Young’s modulus will __________.
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 Poisson’s ratio.
What is the effect of temperature on elasticity?
State Hooke’s law and verify it with the help of an experiment.
Explain the different types of modulus of elasticity.
