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While measuring the thermal conductivity...

While measuring the thermal conductivity of a liquid we keep the upper part hot and the lower part cool so that,

A

Convection may be stopped

B

Radiation may be stopped

C

Heat conduction is easier downwards

D

Both convection and radiation may be stopped

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The correct Answer is:
A
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
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  2. Which of the following combination of properties would be most desirab...

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

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

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  5. Thermal radiation falls in

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

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

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

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

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

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  11. S.I. Unit of temperature gradient is

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

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  13. A long metallic bar is carrying heat from one of its ends to the other...

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  14. A Block of Ice

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  15. Emissive power and Absorptive power of a body depend upon

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  16. The surface which radiates more heat at a given temperature is

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  17. Radiant Energy emitted by a body depends upon

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  18. In case of a perfect blackbody

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  19. The hot water pipes used to heat up the rooms are painted

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  20. A small hole in the wall of an enclosure behaves as

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