22.With reference to space science, what is the expansion of ‘FRB’, which was seen in the news recently? [A] First Radio Burst [B] Fast Radio Burst [C] Fine Radio Burst [D] Fast Reactive Burst Show Answer
In radio astronomy, a fast radio burst (FRB) is a transient radio pulse of length ranging from a fraction of a millisecond to 3 seconds, caused by some high-energy astrophysical process not yet understood.
