The coefficient of linear expansion for a certain metal varies with temperature asalpha = aT .IfL_(0)=1 is the initial length of the metal and the temperature of metal is charged from 27^@C to 127^@C,then the change in Internal energy of the system is (where alpha = 2 xx10^(-5)K^(-2) )

The coefficient of linear expansion for a certain metal varies with te

1.	The coefficient of linear expansion for a certain metal varies with temperature asalpha = aT .IfL_(0)=1 is the initial length of the metal and the temperature of metal is charged from 27^@C to 127^@C,then the change in Internal energy of the system is (where alpha = 2 xx10^(-5)K^(-2) )
Answer» L = 1.15 m L = 1.70 m L = 0.3 m L = 1.51 m ANSWER :A