Physics-
General
Easy

Question

The graph shown give the temperature along x-axis that extends directly through a wall consisting of three layers A, B and C. The air temperature on one side of the wall differ from that on the other side. Thermal conduction through the wall is steady. Out of the three layers A, B and C thermal conductivity is greatest for layer

  1. A    
  2. B    
  3. C    
  4. All have same    

The correct answer is: B

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