Physics-
General
Easy
Question
The ends of two rods of different materials with their thermal conductivities, radii of cross sections and lengths all are in the ratio 1 : 2 are maintained at the same temperature difference. If the rate of flow of heat in the larger rod is 4 cal/sec, that in the shorter rod in cal/sec. will be
- 1
- 2
- 8
- 16
The correct answer is: 8
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