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You would have noticed some space being ...

You would have noticed some space being left in railway tracks.Why?

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SURA PUBLICATION-Heat-Example
  1. You would have noticed some space being left in railway tracks.Why?

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  2. he applied heat energy can be realized as an increase in nthe average ...

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  3. The dimensions of a substance are increased if the temperature of the ...

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  4. The process of converting a substance from solid to gas is called cond...

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  5. Convection is the process by which the thermal energy flows in solids.

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  6. The amount of heat gained by a substance is equal to the product of it...

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  7. In a thermos flask, the silvered walls reflect and radiate the heat to...

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  8. Assertion & Resson:Direction: Mark the correct choice as Assertion: Ra...

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  9. Assertion & Resson:Direction: Mark the correct choice as: Assertion: A...

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  10. What are the application of conducation in our daily life?

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  11. What are the effects of hert?

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  12. Name three types of heat transfer.

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  13. What is conduction?

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  14. Write a note on convection.

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  15. Define spectific heat capacity and give its unit .

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  16. Define one calorie.

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  17. With the help of a neat diagram explain the working of a calorimter.

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  18. Write a note on thermostat.

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  19. Explain the working of thermos flask with a diagram.

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  20. Why does the bottom of a lake not freeze in severe winter even when th...

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  21. Which one of the following ststements about thermal conductivity is co...

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