4
practice testMultiple Choice

Practice Test

Question 4 • Physics in the Universe

What occurs as energy is transferred through the radiative zone of the Sun? Choose two correct answers.

Answer
A
Photons are absorbed and reemitted.
B
Photons are scattered in many directions.
C
Energy is transferred through the large-scale movement of material.
D
Energy is released into the photosphere.
E
Gamma rays are produced.

Explanation

In the Sun’s radiative zone, energy moves outward as photons interact with particles in the dense solar material. Photons are absorbed and reemitted, and their paths are scattered in many directions, so energy takes a long time to travel outward. Large-scale movement of material transfers energy mainly in the convection zone, not the radiative zone.

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