WAEC Physics 2016 Objective — Question 30
Question 30 of 50 from the West African Examinations Council (WAEC) Physics 2016 Objective paper, with the correct answer and a full explanation.
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30. Complementary colours are 2 colours that will produce white light when mixed together. A pair of complementary colours consists of A. have the same refractive index B. have the same wavelength C. add-up to produce black light D. add-up to produce white light
- A. have the same refractive index
- B. have the same wavelength
- C. add-up to produce black light
- D. add-up to produce white lightCorrect
Explanation
Complementary colours are two colours that produce white light when mixed together; a pair consists of a primary colour and the secondary colour, the opposite state of the primary colour.
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