Question

1. A string is stretched
separ
tring is stretched between fixed points
parated 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
[Re-AIPMT-2015)
(1) 105 Hz
(2) 155 Hz
(3) 205 Hz
(4) 10.5 Hz
IS​

Answer 1

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