Use Snell’s Law to calculate angle of refraction
Understand the action of convex and concave lenses
Calculate the power of convex and concave lenses from their focal lengths
Understand the simple optics of the eye
Identify the corrective lens required for short and long sight and explain the process
Understand the nature of transverse and longitudinal wave motions
Explain models of the movement of light and sound waves
Understand how the ear detects sound waves
