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State Kirchhoff's law of radiation....

State Kirchhoff's law of radiation.

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MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)-QUESTION BANK
  1. Why are white clothes preferred to black ones during summer ?

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  2. Explain why a piece of metal feels cooler than a piece of wood in wint...

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  3. State Kirchhoff's law of radiation.

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  4. What is emissive power ?

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  5. State Stefan's law of radiation.

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  6. What is meant by a black body ?

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  7. Why does a body appear black?

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  8. Derive Newton's law of cooling from Stefan's law.

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  9. Define co-efficient of thermal conductivity and mention its units in S...

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  10. State Stefan's law.

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  11. State and explain Kirchhoff's laws. Discuss some of it's important app...

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  12. State Newton's law of cooling.

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  13. How do you define thermal conductivity ? Obtained it's unit and dimens...

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  14. State and prove Kirchhoff's law for thermal radiations. Explain it gra...

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  15. Explain why cooking utensils are always kept black at bottoms and shin...

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  16. State and Explain Stefan's law and express it mathematically. What is ...

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  17. What is black body ? Explained Ferry's model of black body.

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  18. State and Explain the characteristics of thermal radiations.

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  19. A body initially at 80^@C cools to 64^@C in 5 minutes. Then it cools t...

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  20. Derive Newton's law of cooling from Stefan's law.

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