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Woolen clothes are warmer than cotton cl...

Woolen clothes are warmer than cotton cloths why?

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BINA LIBRARY-THERMAL PROPERTIES OF MATTER -EXERCISE
  1. Explain what is meant by latent heat.

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

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  3. Woolen clothes are warmer than cotton cloths why?

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  4. Describe the construction of a blck body.

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

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

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  7. What is the principle of calorimetry?

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

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  9. Two soilds of same mass but the specific heat of one being greater the...

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  10. Define melting point of a substance.State the effect of pressure on it...

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  11. Explain the different modes of transmission of heat.

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  12. What is meant by the thermal radiation?

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  13. What is meant by the co -efficient of thermal conductivity of a materi...

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  14. State Newton's law of cooling.Deduce it from strfan's law of radiation...

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  15. The difference between the length of a certain brass rod and that of a...

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  16. Does the co-efficient of linear expansion depend on the scale of tempe...

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  17. Explain when small pieces of ice pressed together, form a single block...

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  18. Explain why steam at 100°C usually produces more severe burn than wate...

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  19. Explain why does drinking water kept in an earthern pot cool down ?

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  20. Why do we feel cooler under the fan?

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