# Physics: Trivia Questions On The Laws Of Thermodynamics

4 Questions | Total Attempts: 1388  Settings  Thermodynamics is a branch of science which primarily focuses on the relations between heat and various other forms of energy, such as mechanical, chemical or electrical energy, and therefore the relationships between all forms of energy. What do you know about the scientific study?

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• 1.
In an isothermal process, there is no change in
• A.

Pressure.

• B.

Temperature.

• C.

Volume.

• D.

Heat.

• 2.
When the first law of thermodynamics, Q = ΔU + W, is applied to an ideal gas that is taken through an isothermal process,
• A.

ΔU = 0

• B.

W = 0

• C.

Q = 0

• D.

None of the above

• 3.
A gas is expanded to twice its original volume with no change in its temperature. This process is
• A.

Isothermal.

• B.

Isochoric.

• C.

Isobaric.

• D.

• 4.
An ideal gas is compressed isothermally from 30 L to 20 L. During this process, 6.0 J of energy is expended by the external mechanism that compressed the gas. What is the change of internal energy for this gas?
• A.

6.0 J

• B.

Zero

• C.

-6.0 J

• D.

None of the above