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  1. There are several definitions of the normal line of a flat mirror. Normal line is the line perpendicular (at 90°) to the mirror. or. The normal line is an imaginary line at 90° to where the ray touches the mirror surface. But at Mammoth Memory we believe that the image you should think of is a bow held by a Norman warrior in which the bow is ...

    • Parallax

      Any mirror obeys the three laws of reflection; Normal line -...

  2. In order to find the reflected ray you must first draw the normal line which is a line drawn perpendicular (at 90°) to the mirror at the point where the ray of light touches the mirror. We can now draw the reflected ray because we know the angle of incidence (θi θ i) is equal to the angle of refraction (θr θ r). We now have a completed ray ...

  3. The ray of light that leaves the mirror is known as the reflected ray (labeled R in the diagram). At the point of incidence where the ray strikes the mirror, a line can be drawn perpendicular to the surface of the mirror. This line is known as a normal line (labeled N in the diagram). The normal line divides the angle between the incident ray ...

  4. The dashed line is called the normal, and is drawn at 90° to the surface of the mirror. ... This is why you can see a clear image of yourself in a shiny flat mirror, but not in a dull rough wall. ...

  5. the dashed line is called the normal, drawn at 90° to the surface of the mirror; the angle of incidence, i, is the angle between the normal and incident ray; the angle of reflection, r, is the ...

  6. The three laws of reflection. Any mirror obeys the three laws of reflection, flat, curved, convex or concave. 1. The angle between the incident ray and the normal is equal to the angle between the reflected ray and the normal. 2. The incident ray, the normal and the reflected ray are all in the same plane. 3.

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  8. Summary. Light reflecting off a flat mirror (aka. a plane mirror) looks like this: NB: Angles i and r are between the light ray and the normal (the dotted line). The normal is always at right-angles the mirror. The Law of Reflection: When light reflects off a plane mirror, the angle of incidence i is always the same as the angle of reflection r ...

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