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A-LevelPhysicsWaves9702/12 · May/June 2020 · Q281 Mark

A hill separates a television (TV) transmitter from a house. The transmitter cannot be seen from the house. However, the house has good TV reception. [Figure 28.1] By which wave effect at the hill could the TV signal reach the house?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Acoherence

Bdiffraction

Cinterference

Dreflection

✓ Correct answer

B: diffraction

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About this question

Topic: Waves, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2020 Paper 1 Variant 2, question 28.

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