Which one of the following correctly describes the principle of the working of an atomic clock?
Vibration of a small quartz crystal
Simple harmonic motion of atoms inside a crystal
Resonant frequency in cesium (or rubidium) atom
Excitation and de-excitation of hydrogen atoms
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC CDS-1 – 2024
The principle of an atomic clock relies on the natural, constant frequency associated with transitions between different energy levels of atoms, which are independent of external conditions and thus provide a highly stable frequency standard.