A metal plate of area 1.2m^2 increases its area by 2.4 x 10^(-4) m^2 when it is heated from 0 degrees to 100 degrees celcius. The coefficient of cubical expansion of the metal expresses in per degrees celcius is N x 10^(-6), then the value of N is :

A metallic bar is heated from 0^(@)C to 100^(@)C . The coefficient of linear expansion is 10^(-5)K^(-1) . What will be the percentage increase in length

An iron bar of length 10 m is heated from 0^@C " to " 100^@C . If the coefficient of linear thermal expansion of iron is 10xx10^(-6) .^@C^(-1) , then increase in the length of bar (in cm ) is

A metal ball having a diameter of 0.4 m is heated from 273 to 360 K. If the coefficient of areal expansion of the material of the ball is 0.000034 K^(-1) , then determine the increase in surface area of the ball.

If the coefficient of x^(2) + coefficient of x in the expanssion of (1+x)^(m)(1-x)^(n),(mnen) is equal to – m, then the value of n – m is equal to:

On heating the metal rod of length 2m from 0°C to 50°C , its length is increased by 0.1 cm. the coeffecient of linear expansion of metal rod is

A uniform metal rod of 2mm^(2) area of cross section is heated from 0^(@)C to 20^(@)C . The coefficient of linear expansion of the rod is 12xx10^(-6)//""^(@)C . Its Young's modulus of elasticity is 10^(11)N//m^(2) , then the energy stored per unit volume of rod is,

A uniform metal rod fixed at its ends of 2 mm^(2) cross-section is cooled from 40@^C to 20^@C . The coefficient of the linear expansion of the rod is 12xx10^(-6) per degree celsius and its young's modulus of elasticity is 10^11 N//m^(2). The energy stored per unit volume of the rod is

A uniform metal rod is used as a bar pendulum. If the room temperature rises by 10^(@)C , and the coefficient of linear expansion of the metal of the rod is 2 xx 10^(-6) per^(@)C , the period of the pendulum will have percentage increase of

A uniform metal rod is used as a bar pendulum. If the room temperature rises by 10^(@)C , and the coefficient of linear expansion of the metal of the rod is 2 xx 10^(-6) per^(@)C , the period of the pendulum will have percentage increase of

A uniform metal rod is used as a bar pendulum. If the room temperature rises by 10^(@)C , and the coefficient of linear expansion of the metal of the rod is 2 xx 10^(-6) per^(@)C , the period of the pendulum will have percentage increase of