High School

Which processes transfer energy from the core to the photosphere?

A. Radiation, then friction
B. Convection, then conduction
C. Radiation, then convection
D. Conduction, then friction

Answer :

Final answer:

The energy from the Sun's core is transferred to the photosphere mainly through radiation and convection. Initially, energy radiates outward via photons and then is effectively transported by convection currents. Thus, the answer is radiation, then convection.


Explanation:

The Sun's Energy Transfer Processes

The energy generated in the Sun's core must reach the photosphere, the layer from which sunlight is emitted into space. This energy transfer occurs primarily through two main processes: radiation and convection.

Initially, energy moves outward from the core through a process called radiation, where photons are absorbed and re-emitted by surrounding particles. However, this process alone is not sufficient to carry the energy to the surface efficiently due to the dense conditions in the Sun's interior. As the energy moves outward, it eventually reaches a point where convection becomes the dominant method of heat transport. Here, hotter materials rise towards the surface, while cooler materials sink, creating convection currents that effectively distribute energy throughout the outer layers of the Sun.

In summary, the correct answer to the quiz question about the processes that transfer energy from the core to the photosphere is: radiation, then convection.


Learn more about Energy transfer in the Sun here:

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