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

What is an Adiabatic process? Also give its two examples.

  • Ans 1: Adiabatic Process:An adiabatic process is the process in which no heat is transferred to or from the system but the temperature of the system changes.
    Examples: Passage of sound through the air, rapid escape of air from a burst tyre and cloud formation etc.
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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

What is an Adiabatic process? Also give its two examples.

  • Ans 1: Adiabatic Process:An adiabatic process is the process in which no heat is transferred to or from the system but the temperature of the system changes.
    Examples: Passage of sound through the air, rapid escape of air from a burst tyre and cloud formation etc.
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ICS Part 1 Physics Chapter 11 Short Questions Test - Set 2

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 Chapter 11 Short Questions Test - Set 3

Question # 1

A real heat engine is less efficient than cannot engine. Why?

  • Ans 1: Carnot engine operates in an ideal reversible cycle and ideal gas is used as the working substance.
    No practical heat engine can be perfectly reversible. All real heat engines are less efficient than carnot engine due to friction and other heat losses.
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ICS Part 1 Physics Short Questions Test

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