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Thermal radiations are...

Thermal radiations are

A

Mechanical waves

B

Electrical waves

C

Electromechanical wave

D

Electromagnetic wave

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CHETANA PUBLICATION-THERMAL PROPERTIES OF MATTER-EXERCISE
  1. Consider the following statements- (I) The coefficient of linear exp...

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  2. Water falls from a height of 200 m. What is the difference in temperat...

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  3. Thermal radiations are

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  4. By increasing temperature of liquid it's

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  5. When water is heated from 0^@C to 10^@C, it's volume

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  6. Two rods of same material, equal in length but one has cross-sectional...

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  7. The relation between alpha and beta is

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  8. Two holes are made in copper plate. The plate is heated. The distance ...

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  9. In cold countries water pipes sometimes burst, because

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  10. Eskimos build double walled houses of the blocks of ice because

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  11. The sum of all energies of all molecules in a body is called A. Kine...

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  12. Cubical expansion is undergone by

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  13. There is a hole in a metal plate. Upon heating the plate, the diameter...

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  14. Coefficient of areal expansion for a solid is

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

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

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

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

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

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

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