Subject Category > Physics
Q. Which one of the following types of waves are used in a night vision apparatus?
A) Microwaves
B) Radio waves
C) None of the above
D) Infra-red waves
✔ Infra-red waves
Additional Information > Exam point of View
Infrared waves are used in night vision apparatus because they can detect heat emitted by objects, even in low-light conditions.Asked Question
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