WAEC - Physics (2012 - No. 31)
Which of the following sets of coloured light is/are secondary colours i. Red, Blue and green ii. Blue, cyan and magneta iii. Green, Magenta and yellow, IV Yellow, Cyan and Magenta
i and ii only
ii and iii only
iv only
i, ii and iv only
Vysvětlení
IV. (Yellow, Cyan, Magenta) is the only complete set of secondary colours.