Question

The most accurate of all clocks is the
a) quartz crystal clock
b) atomic clock
c) pendulum clock
d) balance wheel clock​

Answer 1

Answer:

Atomic clocks

Explanation:

Atomic clocks are the most accurate time and frequency standards known, and are used as primary standards for international time distribution services, to control the wave frequency of television broadcasts, and in global navigation satellite systems such as GPS.

Answer 2

Answer:

Atomic clocks is the right answer.