Degree of freedom of a monoatomic gas molecule is

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  1. 3
  2. 5
  3. 6
  4. 7

Answer (Detailed Solution Below)

Option 1 : 3
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Solution:

The degree of freedom of a gas molecule is defined as the number of independent ways in which the molecule can possess energy.

For a monoatomic gas molecule, it can only possess translational energy in three perpendicular directions (x, y, and z-axis).

Therefore, the degree of freedom for a monoatomic gas molecule is 3.

∴ The correct answer is option 1.

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