Optics

Pupil

Allows light into the eye.

Cornea

Refracts light.

Retina

Contains light sensitive cells.

Iris

Controls amount of light.

Lens

Responsible for accommodation (focusing).

Optic Nerve

Sends signals to the brain.

Application of Ultraviolet light

Black lights.

Application of Infrared light

DVD player remote.

Application of X-rays

Dental imaging.

Application of Visible light

Human vision.

Application of Gamma rays

Product of nuclear decay.

Application of Radio waves

Radar.

What are the three rules for rays striking a concave mirror?

1. A ray travelling parallel to the principal axis will reflect through the focus.

2. A ray travelling through the center of curvature will reflect back on itself.

3. A ray travelling through the focus will reflect parallel to the principal axis.

Provide acronyms for all 3 lines in Converging lenses

1. PF

2. FP

3. CL

Provide acronyms for all 3 lines in Diverging lenses

1. PF (object focus)

2. FP

3. CL

Provide acronyms for all 3 lines in Concave Mirrors

1. FP

2. PF

3. C

Provide acronyms for all 2 lines in Convex Mirrors

1. PF

2. C