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General Knowledge · Q1265

Practice

Competitive Exams · General Knowledge · question 1265

Q1265

Night photography and photopraphy in mist and fog are possible using

A.
Ultra-violet radiation
B.
Infra-red radiation
Answer
C.
Microwave radiation
D.
Gamma radiation

Answer: Option B

Solution

Answer: Option B
Solution:
Infrared is used in night vision equipment when there is insufficient visible light to see. Night vision devices operate through a process involving the conversion of ambient light photons into electrons which are then amplified by a chemical and electrical process and then converted back into visible light.