General Knowledge - Basic General Knowledge - Discussion
Discussion Forum : Basic General Knowledge - Section 1 (Q.No. 57)
57.
For seeing objects at the surface of water from a submarine under water, the instrument used is
Discussion:
16 comments Page 2 of 2.
Nikita gupta said:
1 decade ago
What is use of kaleidoscope and spectroscope?
Amali said:
6 years ago
What is kaleidoscope and sprectoscope?
(1)
Bhanu said:
5 years ago
Good information, thanks all.
(1)
ANEESH A said:
1 decade ago
Periscope and kaleidoscope.
(1)
Amali said:
6 years ago
What is periscope?
(1)
Bilal said:
1 decade ago
Thank you Mr Amar
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