Physics-
General
Easy

Question

A block of mass 1 kg is hanging vertically from a string of length 1 m and mass/length = 0.001 Kg/m. A small pulse is generated at its lower end. The pulse reaches the top end in approximately

  1. 0.2 sec    
  2. 0.1 sec    
  3. 0.02 sec    
  4. 0.01 sec    

The correct answer is: 0.01 sec

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