Final answer:
The sun undergoes a pole reversal about every 11 years during the solar cycle.
Step-by-step explanation:
The sun undergoes a pole reversal, also known as a magnetic field reversal, about every 11 years. During this process, the magnetic north and south poles of the sun switch places. This cycle is known as the solar cycle and is related to the sun's activity and sunspots.
Learn more about Pole reversal frequency of the sun