Physics-
General
Easy

Question

At any instant a wave travelling along the string is shown in figure Here, if point A is moving upward, the true statement is

  1. the wave is travelling to the right    
  2. the displacement amplitude of wave is equal to displacement of B at this instant    
  3. at this instant, C also directed upward    
  4. 1 and 3    

The correct answer is: at this instant, C also directed upward

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