alleryStart learning →Which scientist sounded the ionosphere with ground-based radio in Kolkata in the 1920s?
AS.K. Mitra
BJ.C. Bose
CP.C. Ray
DS.N. Bose
Answer & Solution
Correct answer: A. S.K. Mitra
S.K. Mitra's radio experiments in Kolkata began modern space research in India.
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