JAMB Physics 2025 Objective — Question 21
Question 21 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2025 Objective paper, with the correct answer and a full explanation.
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A stretched string of length 1.0 m has wave speed 200 ms⁻¹. The fundamental frequency is:
- A. 50 Hz
- B. 100 HzCorrect
- C. 200 Hz
- D. 400 Hz
Explanation
f₀=v/2L=200/2=100 Hz.
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