Total number of degrees of freedom of a rigid diatomic molecule is
A
3
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B
6
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C
5
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D
2
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E
7
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Solution
The correct option is C 5 Total number of degrees of freedom of a rigid diatomic molecule is 5. i.e. 3 + 2 = 5 degree of freedom Rigid diatomic molecules have 3 translational degrees of freedom and 2 rotational degrees of freedom.