The coefficient of linear expansion of an in homogeneous rod change linearly from `alpha_(1)` to `alpha_(2)` from one end to the other end of the rod. The effective coefficient of linear expansion of rod is

The coefficient of linear expansion of an in homogeneous rod changes linearly from alpha_(1) to alpha_(2) from one end to the other end of the rod. The effective coefficient of linear expansion of the rod is

Two rods of lengths L_(1) and L_(2) are welded together to make a composite rod of length (L_(1)+L_(2)) . If the coefficient of linear expansion of the materials of the rod are alpha_(1) and alpha_(2) respectively. The effective coefficient of linear expansion of the composite rod is

Two metal rods of lengths L_(1) and L_(2) and coefficients of linear expansion alpha_(1) and alpha_(2) respectively are welded together to make a composite rod of length (L_(1)+L_(2)) at 0^(@)C. Find the effective coefficient of linear expansion of the composite rod.

Two different wires having lengths L_(1) and L_(2) and respective temperature coefficient of linear expansion alpha_(1) and alpha_(2) are joined end - to - end . Then the effective temperature coefficient of linear expansion is :

The coefficient of linear expansion varies linearly from alpha_(1) and alpha_(2) in a rod of length l . Find the increase in length when its temperature is increased by DeltaT .

The coefficient of linear expansion of a metal rod does not depend uponthe original length of the rod

The coefficient of linear expansion of a metal rod does not depend uponthe original length of the rod

The coefficient of real expansion of mercury is gamma and the coefficient of linear expansion of glass is alpha . The mercury thread, enclosed in a glass tube of uniform bore, expands linearly due to rise in temperature. The effective coefficient of expansion will be