Question

Number of degrees of freedom for the monoatomic gas molecule is?

• A. 3
• B. 2
• C. 5
• D. 6

Hint:

Monoatomic molecules only have translational degrees of freedom, and for such molecules, there are 3 degrees of freedom corresponding to the x, y, and z directions.

Answer 1

The Correct Option is A

A monoatomic gas molecule consists of a single atom. The number of degrees of freedom refers to the number of independent ways in which the system can possess energy. For a monoatomic gas molecule, the degrees of freedom are related to the translational motion of the molecule in three dimensions (x, y, z axes). Since it can move independently in each of these directions, the total number of degrees of freedom for a monoatomic gas is
3. Thus, the correct answer is \( 3 \).