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Unit 8: Electromagnetic Waves

This Nuffield Advanced Physics Unit was about light as a wave motion. It represented the culmination of one line of thought in the course as a whole, for in it, earlier work on waves, on electric fields, and on magnetic fields came together in a (simplified) description of what an electromagnetic wave might be thought to be like.

Contents of the Students’ book
*To the student
*Summary of Unit 8
*Questions
Part One: Looking through holes
Part Two: Spectra
Part Three: Electric waves
Part Four: Relativity
*Answers
*Radio astronomy
*Books and further reading 7
*Data and formulae 7

Experiments suggested for the Unit
8.1 Looking through holes
8.2 Water waves going through a hole
8.3 Effects of optical systems on light waves
8.4 Microwaves going through a hole
8.5 Measurement of the diffraction pattern from a single slit
8.6 The principle of an interferometer type of radio telescope
8.7 Wave amplitude and energy when waves are superposed
8.8 The diffraction grating
8.9 A spark transmitter
8.10 The speed of a pulse along a cable
8.11 Slow electrical waves
8.12 Magnetic field in a flat solenoid
8.13 Moving fields
8.14 Polarization of radio waves
8.15 Polarization of light
8.16 Microwave analogue of the Michelson Morley experiment
8.17 Doppler effect using sound waves
8.18 Doppler shift using microwaves

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