Q. In the context of the developments in India’s space program, the terms ‘hypersonic flight experiment (HEX), landing experiment (LEX), return flight experiment (REX), and scramjet propulsion experiment (SPEX)’, sometimes seen in the news, related to
Explanation:
To develop a Reusable Launch Vehicle, ISRO is conducting a series of experimental flights:- The first in the series of experimental flights is the hypersonic flight experiment (HEX) followed by the landing experiment (LEX), return flight experiment (REX), and scramjet propulsion experiment (SPEX).