In a guitar, two strings 
and 
made of same material are slightly out of tune and produce beats of frequency 6 Hz. When tension in 
is slightly decreased, the beat frequency increases to 7 Hz. If the frequency of 
is 530 Hz, the original frequency of 
will be [NEET 2020]
Text Solution
Verified by ExpertsThe correct answer is:
A
In case of beats formation, unknown frequency, 
beats
where, 
and beats 
or 524 Hz
When tension in 
is slightly decreased, then beats frequency increases to 7 Hz .
This is possible, if we take original frequency of 
as 524 Hz .
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