Question

which is the most accurate clock​

Answer 1

Answer:

caesium atomic clock

Explanation:

Answer 2

$\huge \red{HELLO \: MATE}$

Answer:

According to the most accurate caesium atomic clock in the world, 1 second is the time that elapses during 9,192,631,770 cycles of the radiation produced by the transition between two levels of the caesium 133 atom.