Question detail
What is the relationship between gas pressure and the frequency of particle collisions with the container walls (Particle motion in gases)
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Particle model and pressure
Question
- A. Higher pressure means fewer collisions.
- B. Higher pressure means more frequent collisions.
- C. Pressure does not affect collision frequency.
- D. Lower pressure means more collisions.
Answer
The correct answer is Higher pressure means more frequent collisions..
Explanation
Practical lens: Link apparatus, readings, and uncertainty to the exact measurement named in the objective. This question asks: What is the relationship between gas pressure and the frequency of particle collisions with the container walls (Particle motion in gases). The correct response is Higher pressure means more frequent collisions., because gas pressure comes from particle collisions with container walls. In Particle motion in gases, the marking point should connect directly to explain that gas particles collide with each other and with the walls of their container. If the question includes values, the working must keep the appropriate unit and operation; if it is an explanation, it must name the relevant particle behaviour or energy change. This item belongs to Particle model and pressure, so avoid answers that switch to a different quantity, confuse heat with temperature, or describe gas pressure without collisions when collisions are the reason. Checkpoint 458 is distinct because it uses this exact question context and the practical lens rather than a generic particle-model sentence.
Common mistake
Misunderstanding Particle Collisions
Students often think that gas particles collide only with each other and not with the walls of the container.
Emphasize that gas particles collide with both each other and the walls of their container, which is essential for understanding gas pressure.
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