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WAEC Physics 2025 Objective — Question 16

Question 16 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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The wavelength of a sound note travelling with a speed of 360 ms⁻¹ is 600m. Determine the period of the note.

  • A. 60.000s
  • B. 6.000s
  • C. 1.667sCorrect
  • D. 0.167s

Explanation

f = v/λ = 360/600 = 0.6Hz. T = 1/f = 1/0.6 = 1.667s.

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