Multiple choice general knowledge science & technology

Very small time intervals are accurately measure by

  1. White dwarfs

  2. Quartz clocks

  3. Atomic clocks

  4. Pulsars
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Atomic clocks measure time based on the vibration frequency of atoms (usually cesium), providing extreme precision. They can measure intervals to within nanoseconds, far more accurate than quartz clocks which use crystal vibrations.

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