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State and explain the second law of ther...

State and explain the second law of thermodynamics.

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ICSE-INTERNAL ENERGY -SHORT ANSWER QUESTIONS
  1. What is γ ? Obtain the value of γ for (i) monatomic (ii) diatomic an...

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

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  3. Distinguish between reversible and irreversible processes.

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  4. For an isothermal process

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  5. For an adiabatic compression the quantity pV

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

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

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

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  9. Explain the difference between isobaric and isochoric processes.

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

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  11. How will you find the change in internal energy of a system when it me...

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  12. On a phase diagram draw the fusion curve, vaporisation curve and subli...

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  13. A gas has more than one specific heats, whereas a liquid and solid hav...

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  14. The slope of a line in the standard (x,y) coordinate plane is 4. What ...

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  15. The temperature of an ideal gas is increased from 27^(@)C "to" 127^(@)...

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  16. Assertion : The efficiency of a heat engine can never be unity. Reas...

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  17. Draw a Carnot cycle and on the diagram mark the work done by the engin...

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  18. Name the working substance used in (i) Camot engine, (ii) Steam engine...

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  19. Draw the diesel cycle and give the name of the four strokes. Show the ...

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  20. State and explain the second law of thermodynamics.

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