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ray diagram

laws of reflection

regular and irregular reflection

5 charateristics of plane mirrors

drawing ray diagram

application of reflection

refraction
** refraction vs reflection
**must check whether is actually angle of incidence and refraction (must be between normal)
For the 3rd case, angle of incidence and refraction are not 90 degrees but is 0 degrees

ray diagram for refraction

laws of refraction and refractive index

Principle reversibility of rays

converging lens

terms to describe thin converging lenses

how to determine characteristics
characteristics of converging lens to describe
type: real/virtual
size: magnified/diminished/same size
orientation: upright/inverted

characteristics based on object positions

applications of converging lens

reminders
our eyes perceives light travels in a straight line
trace the light rays that actually enter the eye backwards in a straight
using dotted line
position of image is along that projected straight line
our eyes do not actually see actual object as light rays are bended