What we’ve covered so far ...• 10.1 Sources and Nature of Light

– Definitions:• Incandescence• Flourescence• Luminescence• Phosphorescence• Chemiluminescence• Bioluminescence

– Electromagnetic Spectrum• 10.2 Properties of Light and Reflection

– Understand the key terms– Laws of Reflection– The 4 characteristics of an image in a

plane mirror (using SALT)– How to locate an image in a plane

mirror using a ray diagram• 10.3 Images in Concave Mirrors

– Uses of Concave Mirrors– How to draw ray diagrams for concave

mirrors (you could be asked to draw any one of those five scenarios)

– The 4 characteristics of these images in concave mirrors (using SALT)

• 10.4 Images in Convex Mirrors– Uses of Convex Mirrors– How to draw ray diagrams for convex

mirrors – The 4 characteristics of the image in

convex mirrors (using SALT)– Mirror and Magnification Equations and

Problems• 11.1 Refraction of Light

– Describing Refraction (i.e. Golf cart in mud)

– Describing refraction using rays– Index of refraction n=c/v and calculation

problems.– Dispersion and ROYGBIV

What we’ve covered so far ...• 11.2 Partial Refraction and Total

Internal Reflection (TIR)– Conditions for TIR– Critical Angle and TIR– Applications of TIR (retroreflectors,

fibre optics)

• 11.3 Optical Phenomena in Nature– Rainbows– Sundogs– Apparent Depth– Shimmering and Mirages

• 12.1 Characteristics of Lenses– Definition of Lens– Important terms (principal axis, focal

point, focal length)– Difference between converging and

diverging lens– Spherical and Chromatic Aberration

• 12.2 Images Formed by Lenses– How to draw ray diagrams for converging

and diverging lenses– The 4 characteristics of these images in

lenses (using SALT)– Thin lens and magnification equations

and calculations

• 12.3 Lens Technologies and the Human Eye– Parts of the eye– How the eye works (comparison to a

camera)– Vision problems