The New Encyclopædia Britannica: The new Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 595
... light , however , responses to light and the sensory data they produce . The without being able to distinguish colours . Only when more light is present do colours appear . Light of some critical intensity , therefore , is also ...
... light , however , responses to light and the sensory data they produce . The without being able to distinguish colours . Only when more light is present do colours appear . Light of some critical intensity , therefore , is also ...
Page 596
... light energy present . THE VISIBLE SPECTRUM Newton demonstrated that colour is a quality of light . To understand colour , therefore , it is necessary to know something about light . As a form of electromagnetic ra- diation , light has ...
... light energy present . THE VISIBLE SPECTRUM Newton demonstrated that colour is a quality of light . To understand colour , therefore , it is necessary to know something about light . As a form of electromagnetic ra- diation , light has ...
Page 602
... light beam is bent , or refracted , as it passes from one medium to another - e.g . , from air into glass . The natures of the two media as well as the wavelength of the light involved determine the degree of refraction , with shorter ...
... light beam is bent , or refracted , as it passes from one medium to another - e.g . , from air into glass . The natures of the two media as well as the wavelength of the light involved determine the degree of refraction , with shorter ...
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20th century administration agricultural army Basin became Buddhism canon law capital central centre Ch'ing Chekiang Chicago Chile Chinese Chou Christ Christian church cities Communist Confucian culture divine doctrine dynasty early east eastern economic emperor empire established faith foreign Fukien groups Hai-nan Han Chinese Holy Honan Hopeh Huai Huang Hui Chinese human Hunan Hupeh Imperial important industrial Inner Mongolia Japanese Jesus Kansu Kiangsi Kwangtung Kweichow Lake land Liaoning major Manchu Manchuria ment military Ming Ming dynasty modern Mongol Mongolia Mountains Nationalist North China North China Plain northeast northern northwest officials organized Orthodox Peking period Plain plateau political population prefectures produced province reform reign Revolution River Roman Shang Shanghai Shantung Shensi shih Sinkiang social soils southeast southern Soviet Sung Szechwan T'ang Taoist Tibet Tibetan tion trade tradition Valley Western Yangtze Yüan Yunnan