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WAEC Physics 2025 Objective — Question 25

Question 25 of 51 from the West African Examinations Council (WAEC) Physics 2025 Objective paper, with the correct answer and a full explanation.

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White light can be produced by a combination of I. magenta, yellow and cyan II. red, blue and green III. magenta and green IV. yellow, red and green

Diagram for question 25
  • A. II only
  • B. I, II and III onlyCorrect
  • C. I and IV only
  • D. II and III only

Explanation

Combining Magenta+Yellow+Cyan = White (I); Red+Blue+Green = White (II); Magenta+Green = White (III). Statement IV does not give white light.

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