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A small space is left between two rails ...

A small space is left between two rails on railway track.Why?

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MAXIMUM PUBLICATION-THERMAL PROPERTIES OF MATTER-EXERCISE
  1. Why specific heat of gas at constant pressure (Cp) is greater than spe...

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  2. A body is heated.But there is no change in its temperature.Is it possi...

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  3. A small space is left between two rails on railway track.Why?

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  4. Tea gets cooled,when sugar is added to it.Why?

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  5. Ice covered in gunny bag does not melt for a long time.Why?

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  6. Why two layers of cloth of equal thickness provide warmer covering tha...

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  7. On winter nights, we feel warmer, when clouds cover the sky than the s...

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  8. Two bodies at different temperature T1K and T2K are brought in contact...

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  9. Two bodies at different temperature T1K and T2K are brought in contact...

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  10. What is meant by Temperature?

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  11. A patient is admitted to hospital.The temperature of the patient is me...

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  12. Why iron rims are heated red hot before being put on the cart wheels?

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  13. How woolen clothes help us in winter against cold?

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  14. A copper block of mass 2.5kg is heated in a furnace to a temperature o...

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  15. Two accidents are happened. The first one with water at 100°C and the ...

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  16. When a fluid is heated, the particle rises up. Name the phenomonon beh...

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  17. When a fluid is heated, the particle rises up. Explain the formation ...

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  18. A 10kW drilling machine is used to drill a bore in a small aluminium ...

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  19. A brass boiler has a base area of 0.15m^2 and thickness 1.0cm.It boils...

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  20. Explain why a brass tumbler feels much colder than a wooden tray on a ...

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