A steel wire , of uniform area 2m^2 , i...

A steel wire , of uniform area `2m^2` , is heated up to `50^@C` and is stretched by tying its ends rigidly . The change in tension , when the temperature falls from `50^@C " to " 30^@C` is (Take `Y=2xx10^(11)Nm^(-2) , alpha=1.1xx10^(-5^@C-1))`

`1.5 xx10^(10)N`

5 N

88 N

`2.5 xx10^(-10) N`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NTA NEET SET 73
NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NTA NEET SET 75
NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A steel wire of unifrom cross-section 1 mm^(2) is heated to 70^(@)C and strechted by tying it two ends rigidly. Calculate the change in tension on the wire when temperature falls form 70^(@)C to 35^(@)C

A wire of cross sectional area 3 mm^(2) is just stretched between two fixed points at a temperature of 20^(@)C . Then the tension in the wire when the temperature falls to 10^(@)C is, (alpha =1.2 xx 10^(-5) //""^(@)C, Y=2xx10^(11) N//m^(2))

A wire 3 m is length and 1 mm is diameter at 30^(@) C is kept in a low temperature at -170^(@)C and is stretched by hanging a weight of 10 kg at one end. The change in length of the wire is [Take, Y=2xx10^(11) N//m^(2), g=10 m//s^(2) and alpha =1.2 xx 10^(-5) //""^(@)C ]

A steel wire of length 20 cm and cross - section 1 mm^(2) is tied rigidly at both ends at room temperature 30^(@)C . If the temperature falls 10^(@)C , what will be the change in tension ? Given that Y = 2xx10^(11)N//m^(2) and alpha = 1.1xx10^(-5)//^(@)C

A steel wire 2mm in diameter is stretched between two clamps, when its temperature is 40^@C Calculate the tension in the wire, when its temperature falls to 30^@C Given, coefficient Y for steel = 21 xx 10^(11) dyn e//cm^2

What is the percentage change in length of 1m iron rod it its temperature changes by 100^(@)C. alpha for iron is 2 xx 10^(-5)//"^(@)C .

A steel wire of length 20 cm and uniform cross-sectional 1 mm^(2) is tied rigidly at both the ends. The temperature of the wire is altered from 40^(@)C to 20^(@)C . Coefficient of linear expansion of steel is alpha = 1.1 xx 10^(-5) .^(@)C^(-1) and Y for steel is 2.0 xx 10^(11) Nm^(2) , the tension in the wire is

NTA MOCK TESTS-NTA NEET SET 74-PHYSICS

A 0.2 mL sample of a solution containing 1.0xx10^(-7) curie of .(1)^(3...
Text Solution
|
Two springs with negligible masses and force constants k1=200(N)/(m) a...
Text Solution
|
Consider the given system of mass m and spring constant k. Find the ma...
Text Solution
|
Light of two different frequencies whose photons have energies 1eV and...
Text Solution
|
The de-Broglie wavelength of neutron in thermal equilibrium at tempera...
Text Solution
|
A raindrop of radius 0.3 mm has a terminal velocity in air 1ms^(-1) . ...
Text Solution
|
Two metal wires P and Q of same length and material are stretched by s...
Text Solution
|
The distance between an object and the screen is 100cm. A lens produce...
Text Solution
|
A biconvex lens of focal length f forms a circular image of radius r o...
Text Solution
|
A rigid body is made of three identical thin rods, each of length L, f...
Text Solution
|
A ring of mass M is kept on w horizontal rough surface . A force F is ...
Text Solution
|
A p-n junction in series with a resistance of 5 kOmega is connected ac...
Text Solution
|
Given the following truth table where A , B are inputs and Y the outp...
Text Solution
|
A steel wire , of uniform area 2m^2 , is heated up to 50^@C and is st...
Text Solution
|
Select the dimensional formula of B^2/(2mu0)
Text Solution
|
If theta is the polarising angle for two optical media whose critical...
Text Solution
|
At the first minimum adjacent to the central maximum of a single-slit ...
Text Solution
|
An object of specific gravity rho is hung from a thin steel wire. The ...
Text Solution
|
Two sound waves of wavelength 1 m and 1.01 m in a gas produce 10 beats...
Text Solution
|
A uniform chain of length 2 m is kept on a table such that a length of...
Text Solution
|