Waves and Energy

Duration: 360 ft.

Year Published: 1961

Creator: ?Encyclopedia Britannica ebec

Complete Record: Introduces wave types showing how waves transport energy and defines wave length and frequency. Illustrates water, sound, light, and radio waves, and tells how these waves are produced. Pictures sound waves breaking glass and tells how sound waves and other waves are alike. Explains the reflection of waves, wave length, and frequency. Uses diagrams to illustrate the basic principles upon which radar work.

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