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During the melting of a slab of ice at 2...

During the melting of a slab of ice at 273K at atmospheric pressure,

A

positive work is done by the ice water system on the atmosphere

B

positive work done on the ice water system by the atmosphere

C

the internal energy of ice water system increases

D

the internalbenergy of the ice water system decreases.

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The correct Answer is:
B
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FIITJEE-HEAT AND TEMPERATURE-ASSIGNMENT PROBLEMS (OBJECTIVE) (LEVEL-I)
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  2. Let n(1) and n(2) moles of two different ideal gases be mixed. If adia...

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  3. During the melting of a slab of ice at 273K at atmospheric pressure,

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  4. Two rods of same length and same material having area of cross section...

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  5. When the state of a system changes from A to B adiabatically the work ...

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  6. Water is boiled in a rectangular steel tank of thickness 2 cm by a con...

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  7. The specific heat of an ideal gas is proportional to

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  8. An insulated container is divided into two equal portions.One portion ...

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  9. The internal energy U is a unique function of any state because change...

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  10. One mole of monoatomic gas and one mole of diatomic gas are mixed toge...

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  11. A liquid with coefficient of real volume expansion (gamma) is filled i...

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  12. At room temperature (27^(@)C) the 'rms' speed of the molecules of a ce...

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  13. Two moles of a monatomic gas is mixed with three moles of a diatomic g...

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  14. A diatomic gas does 80 J of work when expanded isobarically. The heat ...

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  15. A block of ice -10^(@)C is slowly heated and converted to steam at 100...

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  16. When an ideal diatomic gas is heated at constant pressure, the fractio...

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  17. If the density of a gas at NTP is 1.3mg//cm^(3) and velocity of sound ...

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  18. The velocities of three molecules are 3v, 4v and 5v. Calculate their r...

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  19. If the average kinetic energy of gas molecule at 27^(@)C is 6.21xx10^(...

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  20. A substance of mass M kg requires a power input of P wants to remain i...

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