Physics WAEC

What is the minimum frequency which will resonate with the wire?

A wire is stretched between two points, 1m apart. If the speed of the wave generated on plucking the wire is 200ms-1, what is the minimum frequency which will resonate with the wire?

A. 50 Hz
B. 75 Hz
C. 100 Hz
D. 150 Hz
E. 200 Hz

Correct Answer:

Option E – 200 Hz

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