What factors determine the frequency of a note emitted by a vibrating string?
PHYSICS
WAEC 2020
What factors determine the frequency of a note emitted by a vibrating string?
- A. Amplitude of vibration, force constant of string and length of string
- B. Amplitude of vibration, force constant of string, and tension in string
- C. Mass per unit length of string, tension in string and length of string
- D. Force constant of string, tension in string, and length of string.
Correct Answer: C. Mass per unit length of string, tension in string and length of string
Explanation
The fundamental frequency of vibrations of a string is inversely proportional to the square root of mass per unit length (linear density), if the tension and vibrating length of the string are constant.
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