### Convex Lens

"When the object is at a long distance from the lens, the image formed is smaller than the object, and…

### Prism

A triangular prism.

### Prism

A triangular prism on a stand.

### Prism

"A prism is a piece of glass, having for its sides three plane surfaces and for its ends two equal and…

### Prismatic Reflector

"Cross-section of prismatic reflector, showing how light rays are refracted and dispersed." —Croft…

### Refraction Between Mediums

"Since air is a rarer medium and water is denser, as ray A passes into the water, it is refracted to…

### Refraction of Light

"Although a ray of light will pass in a straight line, when not interrupted, yet when it passes obliquely…

### Refraction by Plates

"When radiant energy passes through a medium bounded by parallel planes, the refractions at the two…

### Refraction of Complimentary Colors

"The prism will deflect the red and orange, and form a reddish colored image at n. The violet, indigo,…

### Refraction, glass and water

"Let the medium b be glass, and the medium c, water. The ray a, as it falls upon the medium b, is refracted…

### Refraction of Light Between Air and Water

"LA represents a ray of light propagated in air, falling obliquely upon the surface of the water at…

### Refraction as seen by the Human Eye

"If the coin were to be observed in an empty pan and then watched as the pan was filled with water,…

### Refraction, water

"Suppose the rod a, to be set with one half of its length below the surface of the water and the other…

### Ruler and Lens

Ruler and with a lens and screen, used for demonstrating refraction.