ICS Part 1 Physics English Medium Chapter 11 Online Short Questions Test with Answers

Online Short Questions For Chapter 11 "ICS Part 1 Physics Chapter 11 Short Questions Test "

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Physics - ICS Part 1 Physics Chapter 11 Short Questions Test

Question # 1

Write the four postulates of kinetic theory of gases.

  • Ans 1:
    1. A finite volume of gas consists of consists of very large number of molecules.
    2. The size of molecules is much smaller than the separation between them.
    3. The molecules do not exert force on each other except durings a collision
    4. The collision between gas molecules themselves and with the walls of container is assumed to be perfectly elastic.
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Prepare Complete Set Wise Questions For Chapter 11 "ICS Part 1 Physics Chapter 11 Short Questions Test "

ICS Part 1 Physics Chapter 11 Short Questions Test - Set 1

Question # 1

Write the four postulates of kinetic theory of gases.

  • Ans 1:
    1. A finite volume of gas consists of consists of very large number of molecules.
    2. The size of molecules is much smaller than the separation between them.
    3. The molecules do not exert force on each other except durings a collision
    4. The collision between gas molecules themselves and with the walls of container is assumed to be perfectly elastic.
Submit

ICS Part 1 Physics Chapter 11 Short Questions Test - Set 2

Question # 1

Define the term internal energy . Discuss in what form it is in an ideal gas.

  • Ans 1: The sum of all forms of molecular energies such as kinetic and potential energy of a substance is called its internal energy.
    Internal energy of an ideal gas system is generally the translational kinetic energy of gas molecules.
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ICS Part 1 Physics Chapter 11 Short Questions Test - Set 3

Question # 1

Why absolute value of internal energy cannot be measured?

  • Ans 1: By experiment it has been seen that the change in internal energy is independent of paths and it only depends upon change from initial to final state of the system. It is a function of state.
    Internal energy is similar to the gravitational P.E.So like the potential energy, it is the change in internal energy and not its absolute value, which is important.
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ICS Part 1 Physics Short Questions Test

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