Physics-
General
Easy

Question

A string is fixed at both ends vibrates in a resonant mode with a separation 2.0 cm between the consecutive nodes. For the next higher resonant frequency, this separation is reduced to 1.6 cm. The length of the string is

  1. 4.0 cm    
  2. 8.0 cm    
  3. 12.0 cm    
  4. 16.0 cm    

The correct answer is: 8.0 cm

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