Which types of waves are used in a night vision apparatus ?
Correct answer: C. Infrared Waves
- A. Radio Waves
- B. Micro Waves
- C. Infrared Waves
- D. Magnetic waves
Explanation
Night vision devices detect infrared radiation emitted or reflected by objects, often converting it into a visible image. Radio and microwave waves are not the usual radiation used for ordinary night vision.
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