Two rods A and B of identical dimensions...

Two rods A and B of identical dimensions are at temperature `30^(@)C`. If A is heated upto `180^(@)C` and B `T^(@)C`, then new lengths are the same . If the ratio of the coefficients of linear expansion of A and B is 4:3,then the value of T is

`230^(@)C`

`200^(@)C`

`270^(@)C`

`250^(@)C`

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