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What is the emissivity of a perfectly b...

What is the emissivity of a perfectly black body?What is meant by absorving power?

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BINA LIBRARY-THERMAL PROPERTIES OF MATTER -EXERCISE
  1. What do you mean by emissive power of a body?

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  2. What is a black body?

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  3. What is the emissivity of a perfectly black body?What is meant by abs...

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  4. What is meant by absorptive power?

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  5. What is the relation between the emissivity and absorbing power of a b...

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  6. State stefan's law of radiation?

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  7. Show that the co-efficient of area expansion of a rectangular sheet is...

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  8. What are the co-efficient of expansion of solid? How are they related?

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  9. What is anomalous expansion of water? How is it useful in preserving a...

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  10. Find a relation to show the effect of temperature on the density .

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  11. What is the principle of calorimetry?

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  12. Explain why at high altitude,water boils below 100?

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  13. Explain what is meant by latent heat.

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  14. Latent heat of vaporisation of water is 540 cal/gm.Explain the meaning...

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  15. Woolen clothes are warmer than cotton cloths why?

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  16. Describe the construction of a blck body.

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  17. What is the emissivity of a perfectly black body?What is meant by abs...

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  18. Define co-efficient of linear,superficial and volume expansions.

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  19. What is the principle of calorimetry?

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  20. Define unit heat.What is specific heat of solid? How does it defer fro...

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