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If the load at the end of a sonometer wire is immersed in a bucket...

Physics
JAMB 1997

If the load at the end of a sonometer wire is immersed in a bucket of water, the original fundamental frequency of the wire could be restored by

  • A. decrease the length of the wire
  • B. increasing the length of the wire
  • C. increasing the mass per unit length of the wire
  • D. changing the temperature of the wire
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Correct Answer: Option A
Explanation

F = \(\frac{1}{2L}\)\(\sqrt{\frac{T}{μ}}\)

The original fundamental frequency of the wire could be restored by decreasing the length of the wire since frequency is inversely proportional to length. 

 


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