A-LevelPhysicsWavesOct/Nov 2024Paper 1 Q251 Mark
An electromagnetic wave in free space has a frequency of 3.0 × 10¹⁶ Hz. Which row gives the principal region of this wave and an example of an electromagnetic wave with a lower frequency?
Aprincipal region: infrared, wave with lower frequency: visible light
Bprincipal region: infrared, wave with lower frequency: X-rays
Cprincipal region: ultraviolet, wave with lower frequency: visible light
Dprincipal region: ultraviolet, wave with lower frequency: X-rays
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of waves 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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