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If the end of metal rod is heated then t...

If the end of metal rod is heated then the rate of flow the heat does not depend on

A

area of end of the rod

B

mass of the rod

C

time

D

temperature gradient

Text Solution

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The correct Answer is:
B
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NARAYNA-TRANSMISSION OF HEAT-C .U .Q
  1. Thermmal conductivity of a metal rod depends on .

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  2. Coefficient of thermal conductivity .

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  3. If the end of metal rod is heated then the rate of flow the heat does...

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  4. In the following solids thermal conductivity is maximum for .

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  5. For a perfect insulator coefficient of thermal conductivity is .

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  6. Why is it hotter at the same distance over the top of a fire than in f...

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  7. The process in which rate of transfer of heat maximum is .

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  8. By which of the following methods could a cup of hot tea loss heat whe...

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  9. The thermal radiations are similar to .

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  10. The temperature at which a black body ceases to radiate energy is .

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  11. The intensity of energy radiated by a hot body at distance r from it v...

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  12. When a body has the same temperature as that of its surroundings

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  13. One healf of a slab of ice is covered with black cloth and the other h...

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  14. Compared to a person with white skin another person with dark skin wil...

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  15. Which of the following statements is wrong ?

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  16. The physical factor distinguishes thermal radiation from visible light...

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  17. If we place our hand below a lighted electric bulb We feel warmer beca...

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  18. Heating effect of the incoming solar radiation is maximum at local noo...

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  19. The absorptivity of Lamp black and platinum black is .

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  20. Absorptive power of a white body and of a perfectly black body respect...

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