Advertisements
Advertisements
प्रश्न
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?
पर्याय
length = 200 cm, diameter = 0.5 mm
length = 200 cm, diameter = 1 mm
length = 200 cm, diameter = 2 mm
length = 200 cm, diameter = 3 m
उत्तर
length = 200 cm, diameter = 0.5 mm
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 ___________.
If a wire is stretched to double of its original length, then the strain in the wire 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?
Which one of these is more elastic, steel or rubber? Why?
A spring balance shows wrong readings after using it for a long time. Why?
Explain the different types of modulus of elasticity.
Derive an expression for the elastic energy stored per unit volume of a wire.
A cylinder of length 1.5 m and diameter 4 cm is fixed at one end. A tangential force of 4 × 105 N is applied at the other end. If the rigidity modulus of the cylinder is 6 × 1010 Nm-2 then, calculate the twist produced in the cylinder.
We use the straw to suck soft drinks, why?