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| Term | Definition |
|---|---|
| Normal | A line drawn perpendicular to the surface of a mirror |
| A plane | a 2 dimensional surface |
| 1st law of Reflection | the incident ray, the reflected ray and the normal all lie in the same plane |
| 2nd law of reflection | the angle of incidence is equal to the angle of reflection |
| A real image | The actual intersection of rays |
| A virtual image | the apparent intersection of rays |
| parallax | the difference in position of the object viewed from different positions |
| lateral inversion | when the reflected image appears to be 'backwards' |