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Explain first law of thermodynamics. Wha...

Explain first law of thermodynamics. What'is its physical significance ?

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ICSE-INTERNAL ENERGY -SHORT ANSWER QUESTIONS
  1. Is there any difference between the phrases 'change of state' and 'cha...

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  2. Explain first law of thermodynamics. What'is its physical significance...

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  3. Define internal energy of a gas. Why do we say that internal energy is...

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  4. Distinguish between external work and internal work.

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  5. Show that heat is a path function.

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  6. What is the use of the indicator diagram or PV diagram?

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  7. What do you mean by saying that the work done by a system is a path fu...

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  8. What is the difference between (i) heat capacity (ii) specific heat ca...

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  9. Can we define specific heat capacity at constant temperature?

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  10. Define molar specific heat capacities of a gas at constant pressure an...

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  11. What is γ ? Obtain the value of γ for (i) monatomic (ii) diatomic an...

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  12. Using first law of thermodynamics show that Q and W are path functions...

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  13. Distinguish between reversible and irreversible processes.

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  14. For an isothermal process

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  15. For an adiabatic compression the quantity pV

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  16. Derive an expression for the work done during adiabatic process.

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  17. Write down the relation for an adiabatic process in terms of (i) P and...

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  18. Show that the adiabatic curve is steeper than the isothermal curve.

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  19. Explain the difference between isobaric and isochoric processes.

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  20. Draw P-V diagrams to show (i) isobaric process and (ii) isochoric proc...

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