WAEC Physics 2023 Objective — Question 22
Question 22 of 50 from the West African Examinations Council (WAEC) Physics 2023 Objective paper, with the correct answer and a full explanation.
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The colours of the visible light region of the electromagnetic spectrum that have the shortest and longest wavelengths respectively are
- A. red and blue
- B. yellow and blue
- C. indigo and violet
- D. violet and redCorrect
Explanation
In the visible spectrum, violet has the shortest wavelength (highest frequency) and red has the longest wavelength (lowest frequency).
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