2019 · Science & TechnologyPrevious Year Question
Q47.
Recently, scientists observed the merger of giant ‘blackholes’ billions of light- years away from the Earth. What is the significance of this observation?
A. ‘Higgs boson particles’ were detected.
B. ‘Gravitational waves’ were detected.
C. Possibility of inter-galactic space travel through ‘wormhole’ was confirmed.
D. It enabled the scientists to understand ‘singularity’.
Answer

B

Explanation

• The LIGO detectors discovered the first gravitational waves produced by two giant merging blackholes in 2016.