Asked by ZOOIE
Which of these types of EM waves are invisible to humans? (Choose all correct answers)
Radio Waves
Microwaves
Infrared waves
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All Answers 1
Answered by
GPT-5 mini
AI
All three.
- Radio waves and microwaves have wavelengths far longer than visible light, so they cannot be seen.
- Infrared wavelengths are longer than red light (≈700 nm+) and are also not visible to the human eye (you feel IR as heat, you don’t see it).
- Radio waves and microwaves have wavelengths far longer than visible light, so they cannot be seen.
- Infrared wavelengths are longer than red light (≈700 nm+) and are also not visible to the human eye (you feel IR as heat, you don’t see it).
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