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In a room containing air, heat can go fr...

In a room containing air, heat can go from one place to another by

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  • THERMAL PROPERTIES OF MATTER (HEAT PHENOMENA)

    MBD PUBLICATION|Exercise QUESTION BANK|232 Videos

  • THERMODYNAMICS

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MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)-QUESTION BANK
  1. Wave length of heat radiation are between to .

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  2. The material medium is not required for the propagation of heat in

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  3. In a room containing air, heat can go from one place to another by

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  4. Example of diathermanous body is .

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  5. Very slow mode of heat transfer is .

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  6. Ratio of emissive power of perfectly black

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  7. Dimension of emissive power is .

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  8. The equation representing Kirchhoff's law is .

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  9. The rate of radiation depends on the temperature.

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  10. Explain what is meant by the statement, thermal conductivity of iron ...

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  11. Give the units of thermal conductivity in different systems ?

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  12. On what facters does the thermal conductivity of a metal depend ?

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  13. If you touch a piece of iron and a piece of wood laying exposed to the...

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  14. What kind of thermal conductivity and specific heat requirements would...

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  15. On what factors does the rate of rise of temperature depend during var...

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  16. Why is clear night cooler than cloudy night ?

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  17. If temperature of a black body increases then what does happen to the ...

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  18. When is the value of emissive power of perfect black surface equal to ...

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  19. State the units of Stefan's constant.

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  20. Do bodies at 0^@c radiate heat ?

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