O-LevelPhysicsLightOct/Nov 2023Paper 1 Q401 Mark
When observed on the Earth, the redshift of the light from galaxy X is smaller than the redshift of the light from galaxy Y. Which galaxy is closer to the Earth and which galaxy is receding from the Earth faster?
AX
X
BX
Y
CY
X
DY
Y
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of light 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...
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