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COMEDK2024PhysicsThermal Properties of Matter

The thickness of a metallic plate is 0.4 cm . The temperature between its two surfaces is 20^ C . The quantity of heat flowing per second is 50 cal from 5 ~cm ^2 area. In CGS system, the coefficient of thermal conductivity will be

Options

  1. A0.4
  2. B0.6
  3. C0.2
  4. D0.5

Correct answer

C. 0.2

Step-by-step solution

array ll & Q t = K A( ) l & 50= 5 20 K 0.4 & K= 1 5 =0.2 array

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