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Waves question

2006 · Shift 0 · Q113
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Waves question

2006 · Shift 0 · Q113

JEE MainPhysicsWavesMCQ+4 / −1
A string is stretched between fixed points separated by 75.0cm.75.0cm.75.0cm. It is observed to have resonant frequencies of 420Hz420Hz420Hz and 315Hz315Hz315Hz. There are no other resonant frequencies between these two. Then, the lowest resonant frequency for this string is
  1. A
    105Hz105Hz105Hz
  2. B
    1.05Hz1.05Hz1.05Hz
  3. C
    1050Hz1050Hz1050Hz
  4. D
    10.5Hz10.5Hz10.5Hz
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