Que. According to a recently research, what is the shortest unit of time?
(a) 247 zeptoseconds
(b) 297 zeptoseconds
(c) 197 zeptoseconds
(d) 107 zeptoseconds
Ans. (a)
Related Facts:
- Scientists have measured the shortest unit of time ( 247 zeptoseconds) ever : the time it takes a light particle to cross a hydrogen molecule.
- A zeptosecond is a trillionth of a billionth of a second, or a decimal point followed by 20 zeroes and a 1 or 10-21 seconds .
- Zeptosecond was measured when scientists at Germany’s Goethe University were recording the time taken by a photon to cross a hydrogen molecule.
Links:-
https://www.sciencedaily.com/releases/2020/10/201016090209.htm