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In laying a railway line , a small gap...

In laying a railway line , a small gap is always left between the iron rails . Why ?

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MODERN PUBLICATION-Thermal expansion and Calorimetry-Exercise
  1. In laying a railway line , a small gap is always left between the...

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  2. Do the values of coefficients of expansion differ, when the lengths ar...

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  3. What is the effect of temperature on solids? And also define coefficie...

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  4. What is meant by coefficient of linear and cubical expansion? Derive t...

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  5. Show that alpha= beta/2= gamma/3, where symbols have their usual meani...

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  6. What is meant by coefficient of linear expansion, superficial expansio...

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  7. Are coefficients of thermal expansion constant for a given solid?

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  8. What is thermal expansion ? Explain thermal expansion on the basis of ...

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  9. How does the density of liquids vary with temperatury? Show that on in...

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  10. Describe an experiment to show that water has its maximum density at 4...

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  11. At what temperature, the density of water is maximum?

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  12. What is anomalous expansion of water and its use in nature?

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  13. Define Heat

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  14. Define temperature

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  15. Define thermal capacity

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  16. Define water equivalant

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  17. Define specific heat.

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  18. Define latent heat.

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  19. Define specific heat of a substance. Give its units.

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  20. Define latent heat of fusion of a substance Give its SI units.

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  21. State and explain principle of calorimetry.

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