If the Sun stopped producing energy in its core,approximately how long would it be before we would see the Sun start to become significantly dimmer?

Question

Quizplus · Accepted Answer

The energy produced in the core of the Sun takes a very long time to reach the surface due to the process of radiative diffusion. It's estimated that it would take about 100,000 years for the effects of the cessation of energy production to become visible from Earth.

If the Sun Stopped Producing Energy in Its Core,approximately How