A-LevelPhysicsWaves9702/12 · Feb/Mar 2025 · Q221 Mark
Which row correctly identifies the properties of all electromagnetic waves? [Figure 22.1] key ✓ = property of an electromagnetic wave x = not a property of an electromagnetic wave
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Atransverse wave: ✓, longitudinal wave: x, can travel in free space: ✓
Btransverse wave: ✓, longitudinal wave: x, can travel in free space: x
Ctransverse wave: x, longitudinal wave: ✓, can travel in free space: ✓
Dtransverse wave: x, longitudinal wave: ✓, can travel in free space: x
✓ Correct answer
A: transverse wave: ✓, longitudinal wave: x, can travel in free space: ✓
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