A-LevelPhysicsIdeal gasesMay/June 2012Paper 1 Q201 Mark
A mass of gas enclosed in a cylinder by a piston is heated gently. At the same time, the piston is moved so that the pressure remains constant. As a result of this, what will not occur?
AThe average velocity of the molecules will increase.
BThe mean separation of the molecules will increase.
CThe molecules will travel greater distances between collisions.
DThe number of collisions per second of the molecules on the piston will increase.
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of ideal gases within the Physicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep