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A-LevelPhysicsWavesMay/June 2018Paper 1 Q251 Mark

Which region of the electromagnetic spectrum has waves of wavelength 1000 times smaller than the wavelength of visible light?

Ainfra-red
Bmicrowaves
Cultraviolet
DX-rays

✓ Correct Answer

The correct answer is D: X-rays

📋 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...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Physics Question

Topic

This multiple-choice question tests Waves in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics May/June 2018 examination, Paper 1 Variant 2.

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