Advertisements
Advertisements
Question
Define Poisson’s ratio.
Advertisements
Solution
Poisson’s ratio, which is defined as the ratio of relative contraction (lateral strain) to relative expansion (longitudinal strain).
It is denoted by the symbol μ.
Poisson’s ratio, μ = `"Lateral strain"/"Longitudinal strain"`
APPEARS IN
RELATED QUESTIONS
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?
For a given material, the rigidity modulus is `(1/3)^"rd"` of Young’s modulus. Its Poisson’s ratio is
Which of the following is not a scalar?
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?
State Hooke’s law of elasticity
A spring balance shows wrong readings after using it for a long time. Why?
Write down the expression for the elastic potential energy of a stretched 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.
Why the passengers are advised to remove the ink from their pens while going up in an aeroplane?
