Question

During eleventh Antarctic Expedition in Nov. 1991/March 1992 ____ was installed.

A SODAR (SOnic Detection And Ranging)

B Second Permanent Station 'Maitree'

c First permanent station 'Dakshin Gangotri'

d None of the above​

Answer 1

$\huge\pink{♡RAm\:RAm♡}$

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➡➡SODAR $\red{SOnic\:Detection\:And\:Ranging}$✓✓

➡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.

$\huge\underline\bold\red{AashiQ}$

Answer 2

The correct option is A..

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...