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perfect insulator has a value of a ther...

perfect insulator has a _____ value of a thermal conductivity .

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MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)-QUESTION BANK
  1. Woolen clothes keep the body warm as wool is of heat.

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  2. The absorptive power of a perfectly black body is.

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  3. perfect insulator has a value of a thermal conductivity .

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  4. Heat is transmitted from higher to lower temperature through actual ma...

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  5. Convection of heat takes place in

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  6. Wave length of heat radiation are between to .

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

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

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  9. Example of diathermanous body is .

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  10. Very slow mode of heat transfer is .

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  11. Ratio of emissive power of perfectly black

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  12. Dimension of emissive power is .

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  13. The equation representing Kirchhoff's law is .

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  14. The rate of radiation depends on the temperature.

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

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

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

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

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

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

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