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16 November, 07:36

Suppose that during any period of ¼ second there is one instant at which the crests or troughs of component waves are exactly in phase and maximum reinforcement occurs. How many beats will occur in 1 second? A. 8 B. 12 C. 2 D. 4

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  1. 16 November, 07:46
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    The correct answer is D. 4
  2. 16 November, 09:45
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    The correct option is D.

    Beat is an interference pattern between two sounds of slightly different frequencies which is perceived as a periodic variation in volume.

    If one beat occur in 1/4 of a second, this means that, a second is divided into four parts and one beat occur in each part. Therefore in a second, there will be four beats.
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Home » Biology » Suppose that during any period of ¼ second there is one instant at which the crests or troughs of component waves are exactly in phase and maximum reinforcement occurs. How many beats will occur in 1 second? A. 8 B. 12 C. 2 D. 4
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