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Why is Kelvin temperature always positiv...

Why is Kelvin temperature always positive ?

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Why is Kelvin scale of temperature regarded bettter than Calsius scale?

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SL ARORA-Thermal Properties of Matter-Exercise
  1. Solids expand on heating because

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  2. Solids expand on heating because

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  3. Why is Kelvin temperature always positive ?

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  4. The diameters of steel. rods A and B having the same length are 2 cm a...

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  5. The difference between lenghts of a certain brass rod and of a steel r...

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  6. Why a small gap is left between the iron rails of railway tracks ?

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  7. Pendulum clocks generally go fast in winter and slow in summer.Why ?

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  8. Why is inver used in making a clock pendulum?

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

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

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  11. A long cylindrical metal vessel, having a linear coefficient (alpha), ...

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  12. When hot water is poured on a glass plate, it breaks because of

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  13. Two indentical recrangular strips. One of copper and the other of stee...

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  14. Iron rims are heated red hot before planting on car wheels. Why?

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  15. In riveting boiler plates, red hot rivets are used. Why ?

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  16. A metal ball is heated through a certain temperature. Out of mass, rad...

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  17. A beaker filled with water at 4 .^(@)C over flows if the temperature o...

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  18. A block of wood is floating on water at 0^@C with a certain volume V a...

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  19. Is J a physical quantity ?

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  20. Why is J called a conversion factor?

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