Physics-
General
Easy

Question

The equation of a wave disturbance is given as : y equals 0.02 c o s invisible function application open parentheses fraction numerator pi over denominator 2 end fraction plus 50 pi t close parentheses c o s invisible function application left parenthesis 10 pi x right parenthesis where x and y are in meters and t in seconds. Choose the wrong statement:

  1. Antinode occurs at x = 0.3 m    
  2. The wavelength is 0.2 m    
  3. The speed of the constituent waves is 4 m/s    
  4. Node occurs at x = 0.15 m    

The correct answer is: The speed of the constituent waves is 4 m/s

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