Length of wire at room temperature is `4.55` m , when the temperature increases upto `100^(@) C ` then its length becomes `4.57` m . The coefficient of linear expansion `(alpha)` of the given wire is

When a metallic bar is heated from 0^(@)C to 100^(@)C its length increases by 0.05%. What is the coefficient of linear expansion of the metal?

The volume of metalic ball is 100 cc at 0^@C . When its temperature is raised to 150^@C , its volume becomes 100 .81 cc . Find the coefficient of linear expansion of the metal.

The area of a circular copper coin increases by 0.4 % when its temperature is raised by 100^(@)C . The coefficient of linear expansion of the coin is :

The focal length of a spherical mirror made of steel is 150 cm. IF the temperature of the mirror increases by 200 K, its focal length become (coefficient of linear expansion of steel alpha=12 times 10^-60 C^-1 )

When the temperature of a 3 m long iron rod is increased from 0^(@)C to 200^(@)C , the rod increases in length by 7.2 mm. Determine the coefficient of linear expansion of iron.

How does you relate the coefficient of linear expansion of a rod with length and temperature?

A wire of length 100cm increases in length by 10^(-2)m when it is heated through 100^(@)C . The coefficient of linear expansion of the material of the wire exprassed in //K units is

A steel wire 2 mm is diameter is just stretched between two fixed points at a temperature of 20^(@)C . If the temperature falls to 10^(@)C , then the tension in the wire is (Coefficient of linear expansion of steel (alpha) is 11xx10^(-6)//""^(@)C and Y_(s)=2.1xx10^(11)N//m^(2) )

Two rods A and B of identical dimensions are at temperature 30^(@)C . If A is heated upto 180^(@)C and B T^(@)C , then new lengths are the same . If the ratio of the coefficients of linear expansion of A and B is 4:3,then the value of T is