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Answer:
Incident ray
Explanation:
"To describe the reflection of light, we will use the following terminology. The incoming light ray is called the incident ray. The light ray moving away from the surface is the reflected ray. The most important characteristic of these rays is their angles in relation to the reflecting surface."
https://www.siyavula.com/read/science/grade-11/geometrical-optics/05-geometrical-optics-03
2 is the answer so mark it
Answer:
Neutrons
Explanation:
<em>Protons</em> and <em>neutrons</em> make up the nucleus of the atom