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Amount of heat conducted through a metal...

Amount of heat conducted through a metal rod is directly proportional to

A

Area of cross section

B

Temperature gradient

C

Time of flow of Heat

D

All the above

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The correct Answer is:
D
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
  1. Of the following the fastest process of heat transfer is

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  2. S.I. Unit of temperature gradient is

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  3. Amount of heat conducted through a metal rod is directly proportional ...

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  4. Coefficient of thermal conductivity

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  5. For an Ideal conductor, thermal resistance is

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  6. When a metal rod attains same temperature through out its length, then...

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  7. Under steady state of conduction, the temperature at a cross-section o...

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  8. During severe winter in the low temperature zones of the world, the su...

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  9. The two ends of a metal rod are maintained at temperatures 100^(@)Cand...

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  10. Two identical bodies are made of a material for which the heat capacit...

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  11. Which of the following combination of properties would be most desirab...

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  12. While measuring the thermal conductivity of a liquid we keep the upper...

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  13. It is hotter over top of the fire than at same distance on the sides d...

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  14. Thermal radiation falls in

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  15. If the distance between the source & absorber is halved then Intensity...

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  16. The material of prism used for obtaining spectrum of heat radiations i...

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  17. Rate of transfer of heat is maximum in the case of

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  18. A calorimeter full of hot water is hung in vaccum. It will

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  19. The ends of an well-lagged copper bar of length L are held at steady t...

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  20. S.I. Unit of temperature gradient is

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