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In a lake, when it cools to the point wh...

In a lake, when it cools to the point where it is about to freeze, at `4^@C` water settles to bottom because it is

A

less dense

B

more dense

C

very cold

D

very hot

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CHETANA PUBLICATION-THERMAL PROPERTIES OF MATTER-EXERCISE
  1. There is a hole in a metal plate. Upon heating the plate, the diameter...

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  2. Coefficient of areal expansion for a solid is

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  3. In a lake, when it cools to the point where it is about to freeze, at ...

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  4. The volume of metal block changes by 0.18% when it is heated through 2...

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  5. Two metal rods has lengths in the ratio 3:2 and coefficient of linear ...

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  6. Iron sheet 50 cm X 20 cm is heated through 100^@C. If prop = 12 xx 10^...

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  7. Railway tracks are laid with gaps for expansion. The gap between the s...

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  8. An iron ball is heated. Then percentage increase will be largest in

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  9. A copper wire of length 1 increases in length by 0.2% on heating from ...

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  10. Celsiusscale is calibrated according to........

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  11. A constant temperature volume of given mass of gas is inversely propor...

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  12. Specific heat of water is

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  13. For measurement of heat,.....is used.

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  14. Quantity of heat required to change state of unit masssubstance withou...

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  15. 32^@F is equal to

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  16. The temperature and pressure at the triple point of water are

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  17. The melting point of pure ice is

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  18. The boiling point of pure water is

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  19. Specific heat capacity is expressed as

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  20. Latent Heat of fusion of ice is

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