Physics-
General
Easy

Question

S1 & S2 are two coherent sources of sound having no initial phase difference. The velocity of sound is 330 m/s. No minima will be formed on the line passing through S2 and perpendicular to the line joining S1 and S2 , if the frequency of both the sources is:

  1. 50 Hz    
  2. 60 Hz    
  3. 70 Hz    
  4. 80 Hz    

The correct answer is: 50 Hz

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