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"Heat cannot itself flow from a body at ...

"Heat cannot itself flow from a body at lower temperature to the body at higher temperature" is a statement or consequence of

A

second law of thermodynamics

B

conservation of momentum

C

conservation of mass

D

first law of thermodynamics

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Verified by Experts

The correct Answer is:
A
It is a consequence of the second law of thermodynamics.
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"Heat cannot by itself flow from a body at lower temperature to a body at higher temperature" is a statement or consequence of

Heat energy flows from a body at ____ temperature to a body at _____ temperature.

Assertion : It is not possible for a system, unaided by an external agency to transfer heat from a body at lower temperature to another body at higher temperature. Reason : According to Clausius statement, “ No process is possible whose sole result is the transfer of heat from a cooled object to a hotter object

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.

MTG GUIDE-THERMODYNAMICS-NEET Cafe (Topicwise practice Questions)
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  3. "Heat cannot itself flow from a body at lower temperature to the body ...

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  4. The temperature T(1) and T(2) of heat reservoirs in the ideal Carnot e...

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  5. A Carnot engine operates with source at 500 K and sink at 375 K. Engin...

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  6. A reversible engine converts one-sixth of the heat input into work. Wh...

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  7. The efficiency of a carnot engine working between temperature T(1) and...

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  8. An engineer claims to have made an engine delivering 10 kW power with ...

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  9. A Carnot engine operates with source at 127^(@)C and sink at 27^(@)C. ...

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  10. An ideal gas hea engine operates in a Carnot cycle between 227^(@)C an...

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  11. The efficiency of Carnot engine is 50% and temperature of sink is 500 ...

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  12. A heat engine has an efficiency eta. Temperature of source and sink ar...

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  13. A steam engine delivers 5.4 xx 10^(8) j of work per minute and absorbs...

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  14. A refrigerator is to maintain eatables kept inside at 9^(@)C. The coef...

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  15. The inside and outside temperature of a refrigerator are 273 K and 303...

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  16. A Carnot engine takes 3 xx 10^(6) cal of heat from a reservoir at 627^...

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  17. A Carnot engine will sink temperature at 17^(@)C has 50% efficiency. B...

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  18. A Carnot's reversible engine converts (1)/(6) of heat input into work....

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  19. A Carnot engine whose efficiency is 40%, receives heat at 500 K. If th...

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  20. A Carnot cycle has the reversible processes in the following order :

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