What does the dashes line represent ? A.Medium B.Boundary C.Normal D.Incident Ray
Chemistry · Middle School · Thu Feb 04 2021
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C. Normal
The dashed line in the context of optical diagrams typically represents the 'Normal'. Thus, the correct answer is C. Normal. The normal is a line drawn perpendicular to the surface at the point where the incident ray strikes the surface. It's an imaginary line used as a reference for measuring angles of incidence and refraction in ray diagrams.