Question

a device used to measure time________​

Answer 1

Answer:

CLOCK

Explanation:

Clock is basic time measuring device, it works on the principle of periodic motion. Clock are of different types table clock, digital clock, wall clock etc. Simple Pendulum is the basic instrument to measure time period.

Answer 2

Answer:

An instrument used to measure time is called a clock or stopwatch.

hope it's correct ☺