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When two identical object on touching fe...

When two identical object on touching feels hot and cold respectively, can we comment on the heat capacities ofthe objects.

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PHYSICS GALAXY - ASHISH ARORA-HEAT TRANSFER -Discussion Question
  1. Explain why the surface of a lake freezes first.

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  2. Is temperature a conserved quantity in transfer of heat between two bo...

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  3. When two identical object on touching feels hot and cold respectively,...

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  4. A vessel is used to boil water. To boil water faster the thermal condu...

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  5. Why are clear nights colder than cloudy nights ?

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  6. White clothing is more comfortable in summer but colourful clothing in...

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  7. Why a thermos flask has its interior surface mirror like polished.

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  8. If we put our hands above a fire or at the side of the fire to get war...

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  9. The body ofa refrigerator is painted white, but the pipes and metal gr...

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  10. Why are calorimeter made of metal, why not of glass?

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  11. It is observed that if two blankets of same thickness x are used toget...

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  12. A solid sphere of copper of radius R and a hollow sphere of the same m...

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  13. What is "Green House Effect"?

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  14. A sphere, a cube and a circular disc, made of same material and of sam...

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  15. A black platinum wire, when heated, first appears dull red, then yello...

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  16. Why it is advantageous to paint the outer walls and roof of a house wh...

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  17. "Good thermal conductors are also good electrical conductors." Explain...

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  18. Why do some materials, such as glass and metals, usually fell cold and...

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  19. Explain why it is advisable to add water to an overheated automobile e...

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  20. A piece of wood lying in the sun absorbs more heat than a piece of shi...

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