Q28
During eleventh Antarctic Expedition in Nov. 1991/March 1992 ____ was installed.
A.
Second Permanent Station 'Maitree'
B.
First permanent station 'Dakshin Gangotri'
C.
SODAR (Sonic Detection And Ranging)
AnswerD.
None of the above
Answer: Option C
Solution
Answer: Option C
Solution:
SODAR (Sonic Detection And Ranging), also written as sodar, is a meteorological instrument also known as a wind profiler which measures the scattering of sound waves by atmospheric turbulence.