WAEC Physics 2018 Objective — Question 21
Question 21 of 50 from the West African Examinations Council (WAEC) Physics 2018 Objective paper, with the correct answer and a full explanation.
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Rainbow formation is a natural phenomenon illustrating that white light
- A. Splits into three components after rainfall
- B. is dispersed by glass prisms
- C. Splits into its constituent colour before rainfall
- D. Is dispersed into its constituent colours by raindropsCorrect
Explanation
Raindrops act like tiny prisms, refracting and dispersing white sunlight into its constituent colours to form a rainbow.
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