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The ratio of the thermal conductivities ...

The ratio of the thermal conductivities of two different materials is `1 : 2`. The thermal resistance of the rods of these materials having the same thickness are equal. Find the ratio of the length of rods.

A

`4:5`

B

`9:1`

C

`1:9`

D

`5:4`

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-THERMAL PROPERTIES OF MATTER-Assignment (Section-A) Objective Type questions (one option is correct)
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