Home
Class 11
PHYSICS
A uniform wire (Young.s modulus 2xx10^(1...

A uniform wire (Young.s modulus `2xx10^(11) Nm^(-2)`) is subjected to longitudinal tensile stress of `5 xx 10^(7)Nm^(-2)`. If the overall volume change in the wire is 0.02%, the fractional decrease in the radius of the wire is close to :

A

`1.0xx10^(-4)`

B

`1.5xx10^(-4)`

C

`0.25xx10^(-4)`

D

`5xx10^(-4)`

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Similar Questions

Explore conceptually related problems

The radii and Young's moduli of two uniform wires A and B are in the ratio 2:1 and 1: 2 respectively. Both. wires are subjected to the same longitudinal force. If the increase in length of the wire A is one percent, the percentage increase in length of the wire B is

A metal rod of Young's modulus 2 xx 10^10 Nm^(-2) undergoes an elastic strain of 0.02% the energy per unit volume stored in the rod in joule/ m^3 is

A metal wire of length 2.5m and area of cross-section 1.5xx10^(-6)m^(2) is stretched through 2mm. If its Young's modulus is 1.25xx10^(11)Nm^(-2), find the tension in the wire.

A copper solid cube of 60 mm side is subjected to a pressure of 2.5 xx 10^7 Pa. If the bulk modulus of copper is 1.25 xx10^11 N m^-2 , the change in the volume of cube is

An iron wire of length 4m and diameter 2mm is loaded with a weight of 8kg. If the Young's modulus 'Y' for iron is 2xx10^11 Nm^(-2) then the increase in length of the wire is

The young's modulus of a material is 2xx10 ^(11) N//m^2 and its elastic limit is 1xx10 ^(8) N//m ^2 for a wire of 1m length of this material , the maximum elongation achievable is