. A stretched sonometer wire is in unison with a tuning fork, when the length is increased by 4 %, the number of beats heard per second is 6. Find the frequency of the fork.
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![A stretched sonometer wire is in unison
with a tuning fork, when the length is
increased by 4 %, the number of beats heard
per second is 6. Find the frequency of the fork.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff2455c4f-f7ba-47fc-8fa1-dd8b6811b352%2Fdf659b32-dc6b-42d3-b000-c78ea574ae22%2Fyoelmz_processed.jpeg&w=3840&q=75)
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