Episode 503: Preparation for lasers topic
As regards post-16 examinations, the formal requirements laid down are modest, or non-existent, so that the level of treatment here is not detailed.
- outline the principles of operation of a laser
- state some uses of high and low energy lasers
Students should know about the wave nature of light, including interference. They should also know how light is emitted by electron transitions within atoms.
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Episode 503: Preparation for lasers topic (Word, 38 KB)