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JEE Main201910 Apr 2019Evening ShiftPhysicsWaves and SoundActual

The correct figure that shows, schematically, the wave pattern produced by the superposition of two waves of frequencies 9 H z and 11 H z , is

Correct answer

0

Step-by-step solution

Beat frequency = 11 - 9 = 2   H z No.of maxima per second is 2. Time period of beat = 1 2   s .

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