Reflection is the interaction of the ray with the surface that comes to the originated position. The arrow- B represents the reflected ray in the given image.
What are Reflection and refraction?
When a light ray after interacting with the surface comes back to the medium again is called reflection. For example- Some parts (B) of the light ray (A) reflected back to the air medium again.
When the light ray moves from one medium to another after interacting with a surface is called refraction. For example- Some parts (D, C) of the light ray (A) refracted after interacting with the water surface.
Therefore, option a. the arrow- B represents the reflected ray in the given image.
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