Which of the following time measuring devices is most precise?
(a) A wall clock.
(b) A stop watch.
(c) A digital watch.
(d) An atomic clock.
Give reason for your answer.
Answers
Answered by
38
(d) atomic clock
because it is on corrected of 0.002 seconds in one lakh year
because it is on corrected of 0.002 seconds in one lakh year
Answered by
18
(d) An atomic clock is the most precise measuring device.
Similar questions