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When is the heat supplied to a system eq...

When is the heat supplied to a system equal to the increase in its internal energy?

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Is the heat supplied to a system always equal to the increase in its internal energy?

Assertion: The heat supplied to a system is always equal to the increase in its internal energy Reason: when a system changes from one thermal equilibrium to another, some heat is absorbed by it.

Assertion : First law of thermodynamics does not forbid flow of heat from lower temperature to higher temperature. Reason : Heat supplied to a system always equal to the increase in its internal energy.

When we heat an object, it expands. Is work done by the object in this process? Is heat given to the object equal to the increase in its internal energy?

Find the external work done by the system in keal, when 20 kcal of heat is supplied to the system and the increase in the internal energy is 8400J (J=4200 J//kcal)?

The molar heat capacity for an ideal monatomic gas is 3R.If dQ is the heat supplied to the gas and dU is the change in its internal energy then for the process the ratio of work done by the gas and heat supplied is equal to

The work done by the system is 8 joule, when 40 joule heat is supplied to it. What is the increases in internal energy of system.

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SL ARORA-FLUIDS AT REST-Problem for self practice
  1. When is the heat supplied to a system equal to the increase in its int...

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  2. A force of 40 N is applied on a nail , whose tip has an area of cross-...

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  3. Atmospheric pressure is 1.01 xx 10^(5) Pa. How large a force does the ...

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  4. The force on a Phonograph needle is 1.2 N. the point has a circular cr...

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  5. A cylinderical vessel contaning liquid is closed by a smooth piston of...

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  6. The cross-section of two piston in hydraulic press are 2cm^(2) "and" 1...

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  7. The average mass that must be lifted by a hydraulic press is 80 "kg".I...

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  8. In a hydraulic press used for compressing cotton the area of the pisto...

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  9. An automobile sack is lifted by a hydraulic jack that consists of two ...

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  10. What is the minimum pressure required to force blood from the heart to...

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  11. A column of water 40 cm height supports a 30 cm column of an unknown l...

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  12. If the water pressure gauge shows the pressure at ground floor to be 2...

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  13. A cylinderical jar of cross-sectional area of 50 cm^(2) is filled with...

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  14. Water is filled in a flask upto a height of 20cm. The bottom of the fl...

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  15. The density of asir ner earth's surface is 1.3kgm^-3 and the atmospher...

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  16. A vertical U-tube of uniform inner cross-section contains mercury in ...

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  17. Two liquids of specific gravity 1.2 "and" 0.84 are poured into the l...

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  18. The area of cross-section of the wider tube shown in fig., is 800cm^(2...

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  19. A barometer kept in an elevator accelerating upwards reads 76 cm of Hg...

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  20. How much will a body of 70 N weight in water if it displaces 20 ml of...

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  21. A solid weighs 6 kg in air. If its density is 2000 "kg" m^(3) what wil...

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