JEE Main 2025PhysicsThermal Properties of MatterHardNumerical

JEE Main 2025Thermal Properties of Matter Question with Solution

JEE Main 2025 (7 Apr Shift 2)

Question

Two cylindrical rods A and B made of different materials, are joined in a straight line. The ratio of lengths, radii and thermal conductivities of these rods are :
and . The free ends of rods A and B are maintained at , respectively. The temperature of rods interface is ________ K, when equilibrium is established.

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Show full solutionCorrect answer: 360
Correct answer
360

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About this question

This is a previous-year question from JEE Main 2025, covering the Thermal Properties of Matter chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.