PHYSICS-Kinetic Theory of Gases Questions and Answers
The Kinetic Theory of Gases questions with answers topic is a fundamental part of Physics general science often featured in SSC, RRB, NDA, and UPSC exams. It helps learners understand the molecular motion, pressure, and temperature relationship in gases through aptitude questions and answers with explanations. Mastering this concept improves problem-solving speed in numerical and conceptual physics questions. Students can also download aptitude questions with solutions PDF or attempt aptitude test practice online to strengthen their theoretical and practical understanding.
PHYSICS-Kinetic Theory of Gases
Showing 10 of
20 questions
11. What is the effect on pressure if number of molecules is doubled at constant volume and temperature?
- Halves
- Doubles
- Quadruples
- Remains same
12. The constant in Charles' law is:
- Pressure
- Volume
- Volume/Temperature
- Pressure/Temperature
13. What is the dimensional formula for universal gas constant R?
- [MLT⁻²K⁻¹]
- [ML²T⁻²K⁻¹mol⁻¹]
- [ML⁻¹T⁻²K⁻¹]
- [M⁰L⁰T⁰K⁻¹]
14. Which gas deviates most from ideal behavior at high pressure?
- Hydrogen
- Oxygen
- Carbon dioxide
- Helium
15. The mean free path of gas molecules:
- Increases with pressure
- Decreases with pressure
- Independent of pressure
- Independent of temperature
16. According to kinetic theory, pressure exerted by gas is due to:
- Gravitational attraction
- Molecular collisions with walls
- Intermolecular forces
- Chemical reactions
18. At same temperature, which gas has highest average speed?
- Oxygen
- Nitrogen
- Hydrogen
- Carbon dioxide
19. The law of equipartition of energy states that:
- Energy depends on molecular size
- Energy is quantized
- Energy is equally distributed among degrees of freedom
- Energy decreases with temperature
20. What happens to the density of gas when pressure is doubled at constant temperature?
- Halves
- Doubles
- Quadruples
- Remains same