Two rods , one of aluminium and the other made of steel, having initial length `l_(1)` and `l_(2)` are connected together to from a sinlge rod of length `l_(1)+l_(2)` . The coefficient of linear expansion for aluminium and steel are `alpha_(a)` and `alpha_(s)` for `AC` and `BC` . If the distance `DC` remains constant for small changes in temperature,

Two rods, one of aluminium and other made of steel, having initial lengths l_(1) and l_(2) are connected together to form a single rod of length (l_(1)+l_(2)) . The coefficient of linear expansions for aluminium and steel are alpha_(a) and alpha_(s) respectively. If length of each rod increases by same amount when their tempertures are raised by t^(@)C , then find the ratio l_(1) (l_(1)+l_(2)) .

Two rods, one of aluminium and other made of steel, having initial lengths l_(1) and l_(2) are connected together to form a single rod of length (l_(1)+l_(2)) . The coefficient of linear expansions for aluminium and steel are alpha_(a) and alpha_(s) respectively. If length of each rod increases by same amount when their tempertures are raised by t^(@)C , then find the ratio l_(1) / (l_(1)+l_(2)) .

Two rods, one of aluminium and other made of steel, having initial lenghts l_(1) and l_(2) are connected together to form a singel rod of length (l_(1)+l_(2)) . The coefficient of linear expansions for aluminium and steel are alpha_(a) and alpha_(s) respectively. If length of each rod increases by same amount when their tempertures are raised by t^(@)C , then find the ratio l_(1) (l_(1)+l_(2)) .

Two rods, one of aluminium and the other made of steel, having initial length l_1 and l_2 are connected together to from a single rod of length l_1+l_2. The coefficients of linear expansion for aluminium and steel are alpha_a and alpha_s and respectively. If the length of each rod increases by the same amount when their temperature are raised by t^0C, then find the ratio l_1//(l_1+l_2)

Two rods, one of aluminium and the other made of steel, having initial length l_1 and l_2 are connected together to from a single rod of length l_1+l_2. The coefficients of linear expansion for aluminium and steel are alpha_a and alpha_s and respectively. If the length of each rod increases by the same amount when their temperature are raised by t^0C, then find the ratio l_1//(l_1+l_2)

Two rods, one of aluminium and the other made of steel, having initial length l_1 and l_2 are connected together to from a single rod of length l_1+l_2. The coefficients of linear expansion for aluminium and steel are alpha_a and alpha_s and respectively. If the length of each rod increases by the same amount when their temperature are raised by t^0C, then find the ratio l_1//(l_1+l_2)

Two rods, one of aluminium and the other made of steel, having initial length l_1 and l_2 are connected together to from a single rod of length l_1+l_2. The coefficients of linear expansion for aluminium and steel are alpha_a and alpha_s and respectively. If the length of each rod increases by the same amount when their temperature are raised by t^0C, then find the ratio l_1//(l_1+l_2)

Two rods one of aluminium and the other made of steel having initial length l_(1) and l_(2) are connected together to form a single rod of length l_(1) + l_(2) . The co - efficient of linear expansion for aluminium steel are a_(a) and alpha_(a) respectively . If the length of each rod increases by ghe same amount when their temeperature are raised by + .^(@)C then find the ratio (l_(1))/(l_(1)+ l_(2))

Two rods, one of aluminum and the other made of steel, having initial length l_1 and l_2 are connected together to form a single rod of length l_1 + l_2 . The coefficients of linear expansion for aluminum and steel are alpha_a, and alpha_s, respectively. If the length of each rod increases by the same amount when their temperature are raised by t^@C , then find the ratio l_1/(l_1 + l_2)

Three rods of equal lengths are joined to form an equilateral triangle ABC. D is the mid-point of AB. The coefficient of linear expansion is alpha_1 , for material of rod AB and alpha_2 , for material of rods of rods AC and BC. If the distance DC remains constant for small changes in temperature, then