Answer this simple general knowledge question as soon as possible.
The instrument used for seeing objects at the surface of water from a submarine under water, is called
A. kaleidoscope
B. periscope
C. spectroscope
D. telescope
If you get the correct answer, please share it with your friends and family on WhatsApp, Facebook and other social networking sites.
[showhide more_text=”Show Answer” less_text=”Hide Answer”]
Answer: B. Periscope.
[/showhide]