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The absorptive power of a perfectly blac...

The absorptive power of a perfectly black body is_____.

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MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)-QUESTION BANK
  1. The dimension of Wien's constant is .

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  2. Woolen clothes keep the body warm as wool is of heat.

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

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

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

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  6. Convection of heat takes place in

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  7. Wave length of heat radiation are between to .

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

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

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  10. Example of diathermanous body is .

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  11. Very slow mode of heat transfer is .

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  12. Ratio of emissive power of perfectly black

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  13. Dimension of emissive power is .

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  14. The equation representing Kirchhoff's law is .

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  15. The rate of radiation depends on the temperature.

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

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

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

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

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

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