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COLOURS WE CAN SEE.

(Bent in by Jessie Alelkle. Astley Avenue, New Lynn.) A three-sided piece, of glass, usually (•ailed a prism, is the simplest kind of a spectroscope, because it splits up white light 'into r strip of colours called a spectrum. When a beam of light -bikes the prism,, the rays are dispersed or broken up. But it is quite easy to produce more colours than appear in this hpcctrum, by mixing the original or primary colours. All colour* which our eyes can wee are within the >ange of the spectrum. Brown is produced by mixing red and green; gold is based on yellow and silver on white; black is not a colour, it is the opposite of light, a substance which gives a blßek colour absorbs all the light rays falling on it. without reflecting any back at all.

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https://paperspast.natlib.govt.nz/newspapers/AS19330204.2.240.2

Bibliographic details

Auckland Star, Volume LXIV, Issue 29, 4 February 1933, Page 16 (Supplement)

Word Count
142

COLOURS WE CAN SEE. Auckland Star, Volume LXIV, Issue 29, 4 February 1933, Page 16 (Supplement)

COLOURS WE CAN SEE. Auckland Star, Volume LXIV, Issue 29, 4 February 1933, Page 16 (Supplement)