Light, Visible and Invisible |
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Page 116
... short waves it approaches , but never quite reaches , 1. This means that the speed of light of a very short wave length is of necessity slightly greater in matter than in a vacuum . These points will prove of supreme importance in later ...
... short waves it approaches , but never quite reaches , 1. This means that the speed of light of a very short wave length is of necessity slightly greater in matter than in a vacuum . These points will prove of supreme importance in later ...
Page 167
... waves produced to this date , and their ranges . Table v Large transmitters , overseas communica- tion Ship - to - shore communication , shorter dis- tances Radio broadcasting Short waves , long distances Ultrashort waves , short ...
... waves produced to this date , and their ranges . Table v Large transmitters , overseas communica- tion Ship - to - shore communication , shorter dis- tances Radio broadcasting Short waves , long distances Ultrashort waves , short ...
Page 192
... short wave length . Slabs of lead of a thickness measur- able in inches are needed to cut down perceptibly the intensity of this radiation . Even these waves are still not the shortest in exist- ence . Shorter wave lengths have been ...
... short wave length . Slabs of lead of a thickness measur- able in inches are needed to cut down perceptibly the intensity of this radiation . Even these waves are still not the shortest in exist- ence . Shorter wave lengths have been ...
Contents
CONTENTS | 9 |
Light Waves a Useful Fiction | 20 |
The Speed of Light | 32 |
Copyright | |
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Common terms and phrases
amplitude atoms axis bands beam blue bright carbon disulfide color crystal dark deviated diameter diffraction direction disk distance Doppler effect double refraction double star electric field electric waves elementary waves emitted energy excited experiment Fraunhofer lines frequency glass plate grating green homogeneous inch infrared light instance intensity interference fringes interferometer invisible lamp layer lens light rays light source light waves magnetic field measurement mercury metal mica microscope mirror object observed opaque optical ordinary light oscillators parallel particles path difference photograph plane polarized light polarizing angle prism produce propagation refractive index right angles scattered screen short-waved shown in Figure shows slit sound source of light space spectral lines spectrum speed of light spot substance surface telescope tion total reflection transmitted transparent transverse waves tube ultraviolet velocity vibrations visible light water waves wave length wave theory white light X rays yellow Zeeman effect