WAEC Physics 2018 Objective — Question 36
Question 36 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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The diagram above illustrates a wavefront. Determine the number of wavelengths in it.
- A. 4
- B. 3½Correct
- C. 2½
- D. 2
Explanation
Counting the wave crests shown along the wavefront diagram gives 3½ wavelengths.
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