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Q. Given a tuning fork of original natural frequency $256 \, Hz$ , which frequency out of the given options does not resonate with the given fork

NTA AbhyasNTA Abhyas 2020

Solution:

Tuning fork of $256 \, Hz \, $ will resonate with fork of frequencies $1\times 256, \, 2\times 256, \, 3\times 256 \, etc.$
$256 \, Hz \, ,512 \, Hz, \, 768 \, Hz \, etc$ .
Fork of $738 \, Hz \, $ will not resonate.