P1.3 Light Flashcards

Front

angle of incidence

Back

The angle between the incident ray and the normal line.

Front

angle of reflection

Back

The angle between the reflected ray and the normal line.

Front

aperture

Back

The hole at the front of a camera.

Front

charge-coupled device (CCD)

Back

A grid of pixels at the back of a digital camera that absorbs light and produces an image.

Front

converging

Back

Bringing rays of light together.

Front

cornea

Back

The transparent layer at the front of the eye.

Front

diffuse scattering

Back

Reflection from a rough surface.

Front

eye

Back

Organ of sight, which focuses and detects light.

Front

filter

Back

A piece of material that allows some radiation (colours) through but absorbs the rest.

Front

incident ray

Back

The ray coming from a source of light.