The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 15
... colour . Some parts of the spectrum are transmitted more than others , and the emergent light is coloured . The first term , on the contrary , does not depend on the properties of the crystal , and it represents white light . It can be ...
... colour . Some parts of the spectrum are transmitted more than others , and the emergent light is coloured . The first term , on the contrary , does not depend on the properties of the crystal , and it represents white light . It can be ...
Page 614
... colour to the crystal . There are many kinds of colour centres that have been extensively studied , of which only a few appropriate to the alkali halides will be discussed . The simplest of these , called the F centre , consists of an ...
... colour to the crystal . There are many kinds of colour centres that have been extensively studied , of which only a few appropriate to the alkali halides will be discussed . The simplest of these , called the F centre , consists of an ...
Page 686
... colour vision . He devised a colour top with adjustable sec- tors of tinted paper to test the three - colour hypothesis of Thomas Young and later invented a colour box that made it possible to conduct experiments with spectral colours ...
... colour vision . He devised a colour top with adjustable sec- tors of tinted paper to test the three - colour hypothesis of Thomas Young and later invented a colour box that made it possible to conduct experiments with spectral colours ...
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