Choose the correct statement(s):
The Electrojet region is accessible via high-altitude weather balloons.
Sounding rockets were preferred as they could reach altitudes inaccessible to both balloons and satellites.
A1 only
B2 only
CBoth 1 and 2
DNeither 1 nor 2
Related Questions:
Which of the following statements about PSLV is/are correct?
PSLV is India’s third-generation launch vehicle.
It was the first Indian launch vehicle to use liquid stages.
PSLV C-48 was the 48th launch in its series.
Which of the following statements about Vikram Sarabhai is/are correct?
He was the first Chairman of ISRO.
He conceptualized the importance of satellite applications before the 1970s.
