JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Application +4 | -1

Two cylinders P and Q have the same length and diameter and are made of different materials having thermal conductivities in the ratio 2:3. These two cylinders are combined to make a cylinder. One end of P is kept of

{100^0}C

and another end of Q at

{0^0}C

. The temperature at the interface of P and Q is

View answer and explanation

Correct option: B

{40^0}C

Option B (

{40^0}C

) is correct because the temperature at the interface is calculated using the thermal conductivities and temperatures of the two cylinders.

JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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