A string is stretched between fixed points separated by 75 0 cm It is observed to have resonant frequencies of 420 Hz and 315 Hz

Question

A string is stretched between fixed points separated by 75 0 cm It is observed to have resonant frequencies of 420 Hz and 315 Hz There are no other resonant frequencies between these two The lowest resonant frequency for this string is Re AIPMT 2015 1 105 Hz 3 205 Hz 2 155 Hz 4 10 5 Hz

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