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physics 11 themodynamics
Pg.No.
1
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Page 1
Q.1. Which law states that 'Heat energy given to a system is used in increasing the internal energy of the system and in doing work by the system'?
Q.2. Which principle is equivalent to the first law of thermodynamics?
Q.3. Name the process in which temperature of the system remains constant throughout any change taking place in the system?
Q.4. Name the process in which there is no exchange of heat energy between the system and the surrounding throughout any change in the system?
Q.5. Dry ice formation {formed due to sudden expansion of carbondioxide} is an example of?
Q.6. Which law of thermodynamics is explained by Kelvin's statement and Clausius statement ?
Q.7. Which statement states that 'Whole of the heat can never be converted into work'?
Q.8. Which statement states that 'Heat by itself can not flow from a colder body to a hotter body'?
Q.9. Which device converts heat energy into mechanical work continously through a cyclic process?
Q.10. Name the device in which heat is produced in the engine itself?
Q.11. Otto engine or petrol engine and diesel engine are examples of?
Q.12. Name the device in which heat is produced outside the engine?
Q.13. Steam engine is an example of?
Q.14. Name the apparatus which transfers heat energy from cold to hot body at expanse of energy supplied by an external agent?
Q.15. Name the working substance in refrigerator?
Q.16. What is used as refrigerant in actual refrigerators?
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