Types of reflection

Light reflects from a smooth surface at the ...

Refraction of light in water

When light travels from air into water, it ...

The visible spectrum

The visible spectrum showing the wavelengths ...

Refraction and spearfishing

Light coming from the fish refracts (changes ...

Convex mirror

When parallel light rays hit a convex mirror ...

Cross-section through the human eye

The human eye is a sense organ adapted to ...

Colour mixing

The results of mixing red, green and blue ...

Red shirt and blue shorts

Why does the shirt look red and the shorts ...

Why are UV levels high in New ...

Dr Richard McKenzie, Senior Research ...

Concave mirror

When parallel light rays hit a concave mirror ...

How we see 3D

Dr Adrian Dorrington, a scientist from the ...

Lake reflection

This photo of Lake Matheson shows specular ...

Cross section of skin

Diagram showing a cross section of skin on ...

Refraction

By using the example of spearing a fish ...

Converging lens

Each light ray entering a converging (convex) ...

UV, melanocytes and melanoma

Hayley Reynolds (Auckland Bioengineering ...

Prism

When white light shines through a prism, each ...

Concave lens

Each light ray entering a diverging (concave) ...

How the eye works

Associate Professor Gordon Sanderson is ...

Theories of eye accommodation

The Helmholtz theory of accommodation claims ...

The eye’s lens system

Using the example of using a magnifying lens ...

Wave length, height and frequency

A wave can be described by its length, height ...

Long and short-sightedness

Associate Professor Gordon Sanderson from the ...

Accommodation

The crystalline lens changes shape to ...

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