Physics-
General
Easy

Question

Two speakers S1 & S2 driven by the same amplifiers are placed at y=1m and y=-1m. The speakers vibrate in phase at 600 Hz. A man stands at a point on x-axis at a very large distance form the origin and starts moving parallel to y-axis. The speed of sound in air is 330 m/s

The angle theta at which he will hear maximum intensity for first time?

  1. 2o    
  2. 1 0o    
  3. 1 6o    
  4. 25o    

The correct answer is: 1 6o

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