GyanGramQuestion
What is the purpose of ‘evolved Laser Interferometer Space Antenna (eLISA)’ project?
PRELIMS 2017 · SCIENCE & TECHNOLOGY
What is the purpose of ‘evolved Laser Interferometer Space Antenna (eLISA)’ project?
Attempt this previous-year question. The correct option stays hidden until you choose.
Pick an option to check yourself.
• Correct Answer: B
• eLISA (ESA/NASA) is a space-based gravitational wave observatory using laser interferometry over million-kilometre arms.
• It detects low-frequency waves from supermassive black hole mergers and compact binaries, not neutrinos or missile defence.
Keep going in GyanGram.
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.