Heat And Thermodynamics QUESTIONS AND ANSWERS

IIT JEE : Heat And Thermodynamics QUESTIONS AND ANSWERS :: part1 : 6 to 10

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

6.In a thermodynamic system working substance is ideal gas its internal energy is in the form of:

kinetic energy only

kinetic and potential energy

potential energy

none of the above

7.Gas exerts pressure on the walls on the container because:

gas has weight

gas molecules have momentum

gas molecules collide with each other

gas molecules collide with the walls of the container

8.For a perfect gas if:

P and V are given T is uniquely determined

T is given P is uniquely determined

T is given V is uniquely determined

T is given P and V both are uniquely determined

9.The respective speeds of five molecules are 2, 1.5, 1.6, 1.6 and 1.2 km/s, the most probable speed in km/s will be:

1.58

1.6

1.31

10.Air in a cylinder is suddenly compressed by a piston which is then maintained at the same position. With the passage of time:

the pressure increases

the pressure decreases

the pressure remains the same

the pressure may increase or decrease depending on the nature of the gas

More Heat And Thermodynamics QUESTIONS AND ANSWERS available in next pages

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