A uniform metal wire has a length of 2m ...

A uniform metal wire has a length of 2m and diameter 2 cm. When it is stretched by 0.5 cm its diameter decrease by 0.015 mm. Then the Poisson's ratio for the metal of the wire is,

0.2

0.4

0.3

0.5

Text Solution

Verified by Experts

The correct Answer is:

`sigma=(dr//r)/(l//L)`

Topper's Solved these Questions

CURRENT ELECTRICITY
NIKITA PUBLICATION|Exercise Multiple Choice Questions|314 Videos
ELECTROMAGNETIC INDUCTION
NIKITA PUBLICATION|Exercise MCQs|431 Videos

Similar Questions

Explore conceptually related problems

When a wire subjected to a froce along its length, its length increases by 0.4% and its radius decreases by 0.2% then the Poisson's ratio of the material of the wire is

When a wire is subjected to a force along its length, its length increases by 0.4% andits radius decreaes by 0.2%. Then, the poisson's ratio of the material of the wire is

A copper wire of length 3m and diameter 1mm is stretched to increase its length by 0.3cm. What is the lateral contraction, if the Poisson's ratio for copper is 0.25?

A steel wire of length 4 m and diameter 5 mm is stretched by kg-wt. Find the increase in its length if the Young's modulus of steel wire is 2.4 xx 10^(12) dyn e cm^(-2)

A steel wire of length 4m and diameter 5mm is stretched by 5 kg-wt. Find the increase in its length , if the Young's modulus of steel wire is 2*4 xx 10^(-12) dyn e//cm^(2)

when a weight of 10 kg is suspended from a copper wire of length 3m and diameter 0.4 mm. Its length increases by 2.4 cm. If the diameter of the wire is doubled then the extension in its length will be

When a wire 2 m long and 0.05 cm^(2) in cross-section is stretched by a mass of 2 kg, it increases in length by 0.04 mm. Young's modulus of the material of the wire is (g=10ms^(-2))

In a sonometer a metal of length of 20 cm and diameter 0.2 mm is stretched by aload of 2 kg. wt. if the density of materila of the wire is 7.8 gm//cm^(3) . Find the fundamental frequenct of vibrations of the wire.

NIKITA PUBLICATION-ELASTICITY-MCQ

A brass wire of length 5 m and cross section area 10^(-6) m^(2) hung ...
Text Solution
|
An alumminium rod and steel wire of same length and cross-section are ...
Text Solution
|
A uniform metal wire has a length of 2m and diameter 2 cm. When it is ...
Text Solution
|
A wire of cross sectional area 3 mm^(2) is just stretched between two ...
Text Solution
|
A solid sphere of radius R made of a material of bulk modulus K is sur...
Text Solution
|
A thick rope of density rho and length L is hung from a rigid support....
Text Solution
|
The forces of 10^(6) N each are applied on opposite directions on up...
Text Solution
|
A steel wire of uniform cross-section 1 mm^(2) is heated to 70^(@)C an...
Text Solution
|
The longitudinal stain in a metal bar is 0.05. If the Poison's ratio f...
Text Solution
|
If the values of Y and eta for a material are 2xx10^(11) pascal and ...
Text Solution
|
If Y is the Young's modulus of a wire of cross sectional area A, then ...
Text Solution
|
If stress is 10^(12) times the strain produced in a wire, then its You...
Text Solution
|
A wire of length 10 m and cross-section are 10^(-6) m^(2) is stretched...
Text Solution
|
If same tensile force is applied on two wires, there will an extension...
Text Solution
|
Two person pull a rope towards themselves. Each person exerts a force ...
Text Solution
|
The length of a metal wire is l when the tension is F and x l when the...
Text Solution
|
A force of 100 N increases the length of a given wiere by 0.1 mm. Then...
Text Solution
|
A mass 'm' kg is whirled in a vertical plane by tying it at the end ...
Text Solution
|
Two wires of the same length l and radius are joined end to end and lo...
Text Solution
|
One end of a uniform wire of length l and weight W is attached to a po...
Text Solution
|