Heat And Thermodynamics QUESTIONS AND ANSWERS

IIT JEE : Heat And Thermodynamics QUESTIONS AND ANSWERS :: part1 : 21 to 25

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

21.The molecular weight of gas is 44. The volume occupied by 2.2 g of this gas at 0 degreeCentigrade and 2 atm pressure, will be:

0.56 L

1.2 L

2.4 L

5.6 L

22.If mass-energy equivalence is taken into account, when water is cooled to form ice, the mass of water should:

increase

remain unchanged

decrease

first increase then decrease

23.Which statement is incorrect?

All reversible cycles have same efficiency

Reversible cycle has more efficiency than an irreversible one

Carnot cycle is a reversible one

Carnot cycle has the maximum efficiency in all cycles

24.A block of mass 100 g slides on a rough horizontal surface. If the speed of the block decreases from 10 m/s to 5 m/s the thermal energy developed in the process is:

3.75 J

37.5 J

0.375 J

0.75 J

25.The process in which the heat is not transferred from one state to another, is:

isothermal process

adiabatic process

isobaric process

isochoric process

More Heat And Thermodynamics QUESTIONS AND ANSWERS available in next pages

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IIT JEE Questions And Answers :: Heat And Thermodynamics: part1

Heat And Thermodynamics QUESTIONS AND ANSWERS

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