Kinetic Theory – Kinetic Energy & Temperature, Degrees of Freedom, Specific Heats

Grade 11 Physics — Kinetic Theory – Kinetic Energy & Temperature, Degrees of Freedom, Specific Heats: 25 practice questions with instant scoring and explanations.

1. Kinetic theory relates pressure to:
2. P = (1/3)ρ<v²> where <v²> is:
3. Average translational KE per molecule at T:
4. RMS speed v_rms = :
5. v_rms also = :
6. Most probable speed v_p = :
7. Mean speed v_avg = :
8. Order of speeds: v_p, v_avg, v_rms:
9. Degree of freedom for monatomic gas:
10. Degree of freedom for diatomic gas at room T:
11. Degree of freedom for nonlinear polyatomic gas:
12. Energy per molecule per degree of freedom:
13. Internal energy per mole U = :
14. For monatomic gas, C_v = :
15. For monatomic gas, C_p = :
16. For diatomic gas at room T, C_v = :
17. For diatomic gas at room T, γ = :
18. Law of equipartition of energy says each DOF has energy:
19. For nonlinear polyatomic gas γ ≈ :
20. Mean free path λ = :
21. As T increases at constant V, mean free path:
22. As P increases at constant T, mean free path:
23. Brownian motion is due to:
24. If RMS speed is v at T, at 4T it is:
25. Temperature is a measure of: