A string under a tension of 129.6 N produces 10 beats / second when it is vibrated along with a tuning fork. When the tension is the string is increased to 160 N, it sounds in unison with same tuning fork. Calculate the fundamental frequency of tuning fork.
Text Solution
Verified by ExpertsThe correct answer is:
A
Given: 
No. of beats, 
Case 1: 
Case 2:
Now, 
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