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A brass disc fits snugly in a hole in a ...

A brass disc fits snugly in a hole in a steel plate. Should you heat or cool this system to losen the disc from the hole ? given that `alpha _b gt alpha _Fe`.

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SL ARORA-Thermal Properties of Matter-Exercise
  1. Why a clinical thermometer should not be sterilized by boiling water?

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  2. Gas thermometers are more sensitive than liquid thermometers.

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  3. A brass disc fits snugly in a hole in a steel plate. Should you heat o...

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  4. A tightnened glass stopper can be taken out easily by pouring hot wate...

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  5. Why water is preferred to any other liquid in the hot water bottles?

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  6. Why snow is better heat insulator than ice?

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

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

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

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

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

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

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  13. Define temperature.

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  14. THERMOMETRY

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

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

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

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

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  19. The absolute zero temperature in Fahrenheit scale is

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  20. A constant volume gas thermometer works on

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