Question

measure time most accurately​

Answer 1

Answer:

“A clock has a counter that counts something that is periodic. The shorter that period is, the more accurate the clock. That is why people went from sundials, with one period per day, to pendulum clocks, with one period per second, to quartz clocks with 10,000 oscillations per second.

Answer 2

Explanation:

A clock has a counter that counts something that is periodic.