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A-LevelPhysicsWaves9702/12 · May/June 2021 · Q251 Mark

Which list shows electromagnetic waves in order of decreasing frequency?

Agamma-rays → infrared → ultraviolet → radio waves

Bgamma-rays → ultraviolet → infrared → radio waves

Cradio waves → infrared → ultraviolet → gamma-rays

Dradio waves → ultraviolet → infrared → gamma-rays

✓ Correct answer

B: gamma-rays → ultraviolet → infrared → radio waves

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About this question

Topic: Waves, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2021 Paper 1 Variant 2, question 25.

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