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Questions on topic thermodynamics from class 11 Physics

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Q1. What is the first law of thermodynamics?

Energy cannot be created or destroyed.

Heat cannot spontaneously flow from a colder body to a hotter body.

The entropy of an isolated system always increases.

Pressure and volume of a gas are inversely related.

Q2. Which of the following is a state function?

Heat

Work

Internal Energy

All of the above

Q3. In an isothermal process, the temperature:

Increases

Decreases

Remains constant

Varies with pressure

Q4. What does the term 'adiabatic process' refer to?

A process where heat is absorbed.

A process where no heat is exchanged.

A process occurring at constant pressure.

A process occurring at constant volume.

Q5. Which law of thermodynamics states that entropy of an isolated system tends to increase?

Zeroth Law

First Law

Second Law

Third Law

Q6. What is the unit of heat in the SI system?

Joule

Calorie

Kilojoule

Watt

Q7. What is the efficiency of a Carnot engine dependent on?

Type of working substance

Temperature of the hot and cold reservoirs

Nature of the engine

Size of the engine

Q8. In thermodynamics, which of the following represents a reversible process?

A process that can be reversed without leaving any trace

A process that requires external work to reverse

A process that occurs too quickly to reverse

A process that cannot be reversed

Q9. Which of the following statements is true regarding an isochoric process?

Volume remains constant.

Pressure remains constant.

Temperature remains constant.

Heat is absorbed.

Q10. What is the primary factor that affects the internal energy of an ideal gas?

Volume

Temperature

Pressure

Moles of gas

Questions on topic thermodynamics from class 11 Physics

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