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O-LevelPhysicsWaves5054/11 · May/June 2024 · Q271 Mark

Which components of the electromagnetic spectrum are used to communicate from a remote controller to a television set and from the Earth to a satellite?

Aremote controller to TV set: infrared, the Earth to a satellite: microwave

Bremote controller to TV set: infrared, the Earth to a satellite: ultraviolet

Cremote controller to TV set: light, the Earth to a satellite: microwave

Dremote controller to TV set: light, the Earth to a satellite: ultraviolet

✓ Correct answer

A: remote controller to TV set: infrared, the Earth to a satellite: microwave

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About this question

Topic: Waves, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2024 Paper 1 Variant 1, question 27.

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