Quantum Nature of Light - Part 2 (2 Parts)

Synopsis: Two programmes following on from THE PHOTON MODEL OF LIGHT.
Series: Physics: A World in Motion, Series
Language: English
Country: Canada
Medium: Video; Videocassette. VHS. col. 28 min.
Year of production: 1997
Availability: Sale; 2000 sale: £35.00 (+VAT)
Uses: A-level physics.
Subjects: Physics
Keywords: photoelectric cells; photons; quantum mechanics; wave-particle duality; X-rays

Title: Photoelectric Effect, The
Synopsis: Investigates the photoelectric effect and begins to quantify the photon model of light. Shows how to solve photoelectric emission problems using Einstein’s equation. Explains how the intensity and/or frequency of the incident radiation or the material of the photocathode affect photoelectric emission. Discusses the role of the photoelectric effect in photosynthesis, photovoltaic cells, CCDs and vision.
Duration: 28 mins
Title: Wave-Particle Duality
Synopsis: Examines x-ray production (e.g. as in medical use), the photoelectric and Compton effects, and wave-particle duality as it applies to photons. Introduces de Broglie’s notion of matter waves as another example of wave-particle duality. Explains qualitatively the Compton effect and the de Broglie hypothesis applying the laws of mechanics, the conservation of momentum and energy to protons. Examines the medical use of x-rays in terms of a risk-benefit analysis.
Duration: 28 mins

Name: Boulton-Hawker Films Ltd
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Notes: Distributor of over 400 DVDs and videos for use in teaching at GCSE level and above. Particularly strong in science-based subjects which the company used to produce themselves, but now sources from the USA, Canada and Australasia. Titles cover the subject areas of biology, business studies, careers, chemistry, child development & the family, citizenship, design & technology/food technology, English, geography/ecology, home economics, ICT, maths, media studies, PE/sport studies, physics and PSHE. Sale with free preview.

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