Heat And Thermodynamics QUESTIONS AND ANSWERS

IIT JEE : Heat And Thermodynamics QUESTIONS AND ANSWERS :: part2 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.During an isothermal expansion of an ideal gas:

its internal energy decreases

its internal energy does not change

the work done by the gas is equal to the quantity of heat absorbed by it

both B and C are correct

17.Pyrometer is an instrument used to measure:

High temperatures

Low temperatures

Specific heat

Latent heat

18.The thermal resistance of two blocks connected in series will be, if their separate thermal resistances are 2 and 3 is

1.5

19.If gas is compressed adiabatically:

the internal energy of gas increases

the internal energy of gas decreases

the internal energy of gas does not change

the work done is positive

20.In the case of saturated vapour:

pressure depends upon volume at constant temperature

pressure varies non-linearly with temperature at constant volume

pressure becomes less than one atmosphere at boiling point

pressure varies linearly with temperature at constant volume

More Heat And Thermodynamics QUESTIONS AND ANSWERS available in next pages

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