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Two sound source are moving in opposite directions with velocities v1 and v2(v1 > v2). Both are moving away from a stationary observer. The frequency of both the sources is 900 Hz. What is the value of v1 - v2 so that the beat frequency observed by the observer is 6 Hz. Speed of sound v = 300 mis. Given, that v1 and v2 « v.
  • a)
    4 m/s
  • b)
    3 m/s
  • c)
    1 m/s
  • d)
    2 m/s
Correct answer is option 'D'. Can you explain this answer?
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Two sound source are moving in opposite directions with velocities v1 ...




The correct answer is: 2 m/s
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Two sound source are moving in opposite directions with velocities v1 and v2(v1 > v2). Both are moving away from a stationary observer. The frequency of both the sources is 900 Hz. What is the value of v1 - v2 so that the beat frequency observed by the observer is 6 Hz. Speed of sound v = 300 mis. Given, that v1and v2 « v.a)4 m/sb)3 m/sc)1 m/sd)2 m/sCorrect answer is option 'D'. Can you explain this answer?
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