The co-efficient of thermal expansion of a rod is temperature dependent and is given by the formula α=aT, where a is a positive constant and T in 0C. If the length of the rod is lat temperature 00C,then the temperature at which the length will be 2l is
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The co-efficient of thermal expansion of a rod is temperature dependent and is given by the formula α=aT, where a is a positive constant and T in 0C. If the length of the rod is lat temperature 00C,then the temperature at which the length will be 2l is