Two metal rods X and Y having equal cross-sectional areas are joined in series. One end of which is heated. After some time, the temperature gradient along each rod is foound to be uniform, but greater in X than that in Y. Which of the following can be inferredA. both the rods may be of different lengthsB. The heat current is the same in both the rodsC. Both the rods are of equal lengthsD. X is better conductor of heat than Y

Two metal rods X and Y having equal cross-sectional areas are joined i

1.	Two metal rods X and Y having equal cross-sectional areas are joined in series. One end of which is heated. After some time, the temperature gradient along each rod is foound to be uniform, but greater in X than that in Y. Which of the following can be inferredA. both the rods may be of different lengthsB. The heat current is the same in both the rodsC. Both the rods are of equal lengthsD. X is better conductor of heat than Y
Answer» Correct Answer - A::B

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