Mean Free Path -Multiple Choice Questions Quiz

Interactive MCQs on “Mean Free Path”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is the mean free path in physics?

(a) The average distance traveled by a particle between collisions
(b) The distance between two points in a straight line
(c) The time taken for a particle to complete one full cycle of motion
(d) The maximum distance a particle can travel before losing its energy

Question 2: Which of the following factors affects the mean free path of gas particles?

(a) Particle's mass
(b) Temperature
(c) Pressure
(d) Volume

Question 3: As pressure increases, what happens to the mean free path of gas particles?

(a) It increases
(b) It decreases
(c) It remains unchanged
(d) It becomes infinite

Question 4: Which state of matter is most likely to have the longest mean free path?

(a) Solid
(b) Liquid
(c) Gas
(d) Plasma

Question 5: In a gas at higher altitudes, the mean free path of particles is generally:

(a) Longer
(b) Shorter
(c) Unaffected
(d) Zero

Question 6: If the temperature of a gas is doubled while keeping pressure constant, what happens to the mean free path?

(a) It doubles
(b) It halves
(c) It remains unchanged
(d) It quadruples

Question 7: The mean free path of gas particles is inversely proportional to:

(a) Pressure
(b) Volume
(c) Temperature
(d) Particle mass

Question 8: In a gas with a lower particle density, the mean free path will be:

(a) Shorter
(b) Longer
(c) Unchanged
(d) Zero

Question 9: The mean free path concept is most commonly used to describe the behavior of particles in:

(a) Solids
(b) Liquids
(c) Gases
(d) Plasmas

Question 10: The mean free path is a useful concept in understanding phenomena such as:

(a) Electrical conductivity in metals
(b) Refraction of light
(c) Surface tension in liquids
(d) Elasticity of solids