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The cooling curve is represented by grap...

The cooling curve is represented by graph..........
A
B
C
D

A

A

B

B

C

C

D

D

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CHETANA PUBLICATION-THERMAL PROPERTIES OF MATTER-EXERCISE
  1. A body cools from 62^@C to 50^@C in 10 minutes. If the surrounding tem...

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  2. A body cools from 51^@C to 50.9^@C in 10 sec. If surrounding temperatu...

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  3. The cooling curve is represented by graph.......... A B C D

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  4. Gravitation plays a role in..... A. conduction B. convection C. rad...

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  5. Three different liduid A , B, C of equal masses have temperatures of ...

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  6. The MKS unit of thermal resistance is

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  7. A 10^@ temperature difference is maintained across the two faces of a ...

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  8. The dimension of thermal resistance are.............

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  9. The relation between alpha and beta is

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

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

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  12. What are the important characteristics of a thermometer?

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  13. Define thermal capacity?

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  14. State Newton's law of cooling?

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  15. Define (i) Sublimation

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  16. Define(ii) Triple point

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  17. Give any four applications of thermal conductivity in everyday life.

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  18. Why do we consider two specific heats heat for a gas?

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  19. In a random temperature scale, water boils at 200^@ X and freezes at 2...

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  20. A sheet of brass 50 cm long and 8cm broad at 0^@C. If the surface area...

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