alleryS. K. Mitra's 1920s radio experiments in Kolkata probed which atmospheric region?
ATroposphere
BIonosphere
COzone layer
DMesopause
Answer & Solution
Correct answer: B. Ionosphere
S. K. Mitra used ground-based radio to sound the ionosphere, an early step in Indian space research.
Keep practising Indian Space Research Organisation
Browse all Indian Space Research Organisation questions for RRB NTPC, or explore more Science topics.
Related questions
Which IGMDP missile is a third generation anti-tank missile meaning cobra?At about what speed does the Akash missile fly?Which IGMDP missile is a medium-range surface-to-air missile?What was the Agni project originally conceived as in the IGMDP?What is the code name of the naval variant of the Prithvi missile?In which year was the Prithvi missile first test-fired?Which is India's first indigenously developed ballistic missile?Where is the Interim Test Range developed for missile testing under IGMDP?