A. 0.00030k-1
B. 0.00032k-1
C. 0.01970k-1
D. 0.02030k-1

Correct Answer: Option A

A. 0.00030k-1

SEE ALSO  A string is stretched between two points 50cm apart. It is then plucked at its center and the velocity of the wave produced is 300m/s. Calculate the number of vibrations made by the string in 1s.

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