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Which colour is obtained by mixing red and blue light?

Answer and explanation

Correct answer: Magenta

The governing concept is additive mixing of coloured light. In the RGB model, red and blue are added while green is absent; the combined visual stimulus is perceived as magenta, so option A is correct. Green comes from green light alone, yellow is produced by red plus green, and cyan is produced by green plus blue. These results apply to light, not ordinary pigment mixing.

Related tags

Red Blue LightMagentaRgb PrimariesAdditive ColourColour MixingColour TheoryArt EducationClass 9 Mcq

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