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  1. Wave Generation and Classification (1977 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. b&w. 7 min., 1996 sale: £20.00 (+VAT +p&p)

    Harmonic oscillations, wave propagation, sine wave, frequency, wavelength, wave speed, period of oscillation, running wave, standing wave, plane wave, spherical wave, transversal wave, longitudinal wave,...

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  2. Mechanisms of Ocean Waves (1976 Video)

    Subject
    Biology; Geography
    Distribution
    Hire Sale, Videocassette. U-matic, VHS. col. 15 min.

    The confused waves found in a gale at sea are shown experimentally to be made up of a cumulation of simple waves of various wavelengths. Aerial and tank scenes show how every is distributed in each wave. The...

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  3. Interaction of Electromagnetic Radiation with Matter, The (1975 Audio)

    Subject
    Physics
    Distribution
    Sale, Audiocassette. 15 min.

    Introduces basic terms such as frequency, wave length, wave number and photon energy with simple calculations. The electromagnetic spectrum and inter-action between radiation and matter is introduced as is...

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  4. Waves on a String and Fourier Analysis (1975 Film, Video)

    Director
    David R Clark
    Producer
    David R Clark
    Subject
    Physics
    Distribution
    Film (16mm)

    Computer-generated images of a stretched string on which disturbances of various shapes propagate are used to illustrate the mathematical properties of transverse waves. Shows the reflection and...

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  5. Pressure Waves in a Gas (1973 Video)

    Subject
    Physics
    Distribution
    Hire Sale, Videocassette. Standard formats. col. 16 min.

    Recording illustrating the various kinds of pressure waves found in a gas, using an hydraulic analogy.

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  6. Doppler Effect in Sound and Light, The (1973 Film)

    Subject
    Astronomy; Physics
    Distribution
    Film (16mm)

    The relationship between motion, both radial and transverse, and resulting changes in apparent wavelength is illustrated for sound and light. The use of the Doppler effect in astronomy is indicated. Teaching...

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  7. Frequency Spectra (1973 Film)

    Director
    D Cleveland
    Subject
    Physics
    Distribution
    Film (16mm)

    Deals in a non-mathematical way with spectra of input waveforms obtained on a spectrum analyser. The waveforms treated in detail are a beat pattern and a sequence of square waves. The effects on the square...

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  8. Ocean Waves (1972 Film, Video)

    Subject
    Geography
    Distribution
    Film (16mm)

    Ocean waves are followed from generation and propagation to final dissipation on the beaches of Northumberland. The interaction between waves and coastal configurations of various types is demonstrated,...

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  9. Standing Waves and the Principle of Superposition (1971 Film)

    Subject
    Physics
    Distribution
    Film (16mm)

    Explains how standing waves were associated only with sound waves until it was shown that the principle of superposition is applicable to all waves. Recent developments with low-cost laser and holographic...

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  10. Modulation (1967 Film)

    Director
    A E C Hopkins
    Subject
    Physics
    Distribution
    Film (16mm)

    Animated diagrams show how intelligence is impressed on a carrier wave to form modulation. Explains vectors, amplitude phase and frequency modulation.*

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