In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of___________?
Correct answer: C. 0.5 Hz
- A. 0.1 Hz
- B. 0.25 Hz
- C. 0.5 Hz
- D. 1.5 Hz
Explanation
In the usual vibrating-reed frequency meter, adjacent reeds are tuned at intervals of 0.5 Hz so that the resonant reed identifies the applied frequency with useful resolution. Hence the reed spacing is half a hertz.
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