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Assertion : All black coloured objects a...

Assertion : All black coloured objects are considered black bodies.
Reason : Black colour is a good absorber of heat

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SL ARORA-Thermal Properties of Matter-Exercise
  1. Why water is preferred to any other liquid in the hot water bottles?

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  2. Why snow is better heat insulator than ice?

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  3. Assertion : All black coloured objects are considered black bodies. ...

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  4. Animals curl into a ball, when they feel very cold.

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  5. Assertion : The earth without its atmosphere would be inhospitably col...

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  6. A sphere, a cube and a thin circular plate all made of the same materi...

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  7. A black platinum wire, when heated, first appears dull red, then yello...

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  8. What are the SI and cgs units of heat? How are they related?

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  9. Define temperature.

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  10. THERMOMETRY

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  11. The temperature of a gas is increased by 10^@C. What is the correspond...

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  12. What is the correct value of 0^(@) C on the Kelvin scale?

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  13. At what temperature will both celsius and fahrenheit scales read the s...

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  14. What is the triple point of water on a Fahrenheit scale ? What is the ...

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  15. The absolute zero temperature in Fahrenheit scale is

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  16. A constant volume gas thermometer works on

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  17. One quality of a thermometer is that its heat capacity should be small...

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  18. The absolute zero temperature in Fahrenheit scale is

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  19. Two bodies A and B are said to be in thermal equilibrium with each oth...

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  20. Of metals and alloys, which has greater value of temperature co-effici...

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