A-LevelPhysicsTemperatureOct/Nov 2014Paper 1 Q191 Mark
The diagram shows the atoms of a substance with the atoms at the corners of a cube. The average separation of the atoms at a particular temperature is 15 nm. [Figure 19.1] When the temperature changes so that the average separation becomes 17 nm, by which factor will the density of the substance change?
A0.61
B0.69
C0.78
D0.88
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of temperature 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