A person standing near a warm radiator cannot see the infrared radiation it emits. Which statement explains why?
The eye detects only a limited range of the electromagnetic spectrum.
The infrared has too little energy to leave the surface of the radiator.
The infrared is completely absorbed by the air between them and it.
The eye detects only those waves that transfer no energy to an absorber.
40 exam-style questions on AQA GCSE Physics 6.2 Electromagnetic waves, covering 6.2.1 Types of electromagnetic waves, 6.2.2 Properties of electromagnetic waves 1, 6.2.3 Properties of electromagnetic waves 2, 6.2.4 Uses and applications of electromagnetic waves, 6.2.5 Lenses, and 6.2.6 Visible light. Each one has a worked solution and a mark scheme showing where the marks go.