Segments in this Video

The Nature of Light (04:33)


Light is transmitted through space by photons and is made up of both waves and particles. Eyes distinguish colors the same way as ears discern sound. Sir Isaac Newton determined white light is made up of a spectrum of colors.

Light Sources (02:49)

Learn how light bulbs, the sun, and paraffin lamps create light through different methods. Electrons jumping to different orbits generate electromagnetic waves. Most objects only reflect light and do not omit it.

The Propagation of Light (02:53)

Light spreads in all directions, creating a ripple effect and can travel through liquids, transparent objects, and gases. Its trajectory changes when entering different mediums. Ice appears opaque or translucent.

Velocity and Summary (01:28)

Ole Rømer calculated that the speed of light was 187,500 miles per second. White light is made up of a spectrum of colors.

Credits: What Is Light? (00:39)

Credits: What Is Light?

For additional digital leasing and purchase options contact a media consultant at 800-257-5126
(press option 3) or

What Is Light?

Part of the Series : Just the Facts Physics Facts Series
3-Year Streaming Price: $99.95



What Is Light? In this program, find out light’s natural properties, its relationship to color, and the different behaviors of light in air or water. We’ll also cover sources of light, electromagnetic waves, and the speed of light.

Length: 14 minutes

Item#: BVL155096

Copyright date: ©2013

Closed Captioned

Performance Rights

Prices include public performance rights.

Not available to Home Video, Dealer and Publisher customers.