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P6 Thermodynamics

Authored by Anjar Hidayat

Physics

University

P6 Thermodynamics
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first law of thermodynamics?

Energy cannot be created or destroyed, only transferred or transformed.

The entropy of an isolated system always decreases.

The internal energy of a system is equal to its pressure multiplied by volume.

Heat transfer occurs from colder objects to hotter objects spontaneously.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an extensive property in thermodynamics?

Temperature

Pressure

Volume

Density

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the SI unit of entropy?

Joule (J)

Pascal (Pa)

Joule per Kelvin (J/K)

Kelvin per Joule (K/J)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which thermodynamic process occurs at constant volume?

Isothermal

Isochoric

Isobaric

Adiabatic

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the temperature of an ideal gas during an adiabatic expansion?

It remains constant.

It increases.

It decreases.

It depends on the heat added.

6.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

If the temperature of a gas increases while the volume remains constant, what happens to its pressure?

It remains the same.

It decreases.

It increases.

It first increases and then decreases.

7.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

In an isobaric process, how does heat energy affect a gas system?

It only increases the temperature.

It only increases the volume.

It does not change the system's state.

It increases both temperature and volume.

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