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Why do liquids have on linear and areal ...

Why do liquids have on linear and areal expansions?

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Liquids have only volume expansion.No linear expansion or areal expansion.Because liquids does not have any independent shape they must be taken in a container.So we will consider only volume of liquid.
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VGS PUBLICATION-BRILLIANT-THERMAL PROPERTIES OF MATTER-VERY SHORT ANSWER QUESTIONS
  1. Can a substance contact on heating ? Given an example.

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  2. Why gaps are left between rails on a railway track?

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  3. Why do liquids have on linear and areal expansions?

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  4. What is latent heat of fusion?

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  5. What is latent heat of vapourisation?

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  6. Why are utensils coated black? Why is the bottom of the utensils made ...

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  7. What is triple point of water? Mention the values of temperature and p...

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  8. State Boyles law and Charles law.

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  9. State Weins displacement law

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  10. Ventilators are provided in rooms just below the roof . Why?

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  11. Does a body radiate heat at 0 K ? Does it radiate heat at 0^(@)C ?

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  12. State the different modes of transmission of heat. What of these modes...

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  13. Define coefficient of thermal conductivity and temperature gradient.

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  14. Define emissive power and emissivity.

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  15. Can a substance contact on heating ? Given an example.

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  16. What is greenhouse effect? Explain global warming.

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  17. Defined absorptive power of a body .What is the absorptive power of a ...

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  18. State Newtons law of cooling.

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  19. State the conditions under which Newtons law of cooling is applicable.

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  20. The roofs of buildings are often painted white during summer. Why?

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