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Solution


Q.

Match List I with List II:                      [2023]

  List I   List II
A. 3 Translational degrees of freedom I. Monoatomic gases
B. 3 Translational, 2 rotational degrees of freedoms II. Polyatomic gases
C. 3 Translational, 2 rotational and 1 vibrational degrees of freedom III. Rigid diatomic gases
D. 3 Translational, 3 rotational and more than one vibrational degrees of freedom IV. Non rigid diatomic gases

Choose the correct answer from the options given below:
1 (A) – (IV), (B) – (III), (C) – (II), (D) – (I)  
2 (A) – (IV), (B) – (II), (C) – (I), (D) – (III)  
3 (A) – (I), (B) – (III), (C) – (IV), (D) – (II)  
4 (A) – (I), (B) – (IV), (C) – (III), (D) – (II)  

Ans.

(3)

Factual

Type of gases No. of degrees of freedom
Monoatomic gas 3T
Diatomic + rigid 3T + 2R
Diatomic + non-rigid 3T + 2R + 1V
Polyatomic gas 3T + 3R + more than 1V

T = Translational degree of freedom

R = Rotational degree of freedom

V = Vibrational degree of freedom