The closed and open pipes have same length. When they are vibrating simultaneously in first overtone, produce three beats. The length of open pipe is made 
and closed pipe is made three times the original, the number of beats produced will be
Text Solution
Verified by ExpertsThe correct answer is:
C
For open organ pipe, first overtone 
For closed organ pipe, first overtone 
Given: Beats 
For open organ pipe, fundamental frequency 
Given 
For closed organ pipe, fundamental frequency 
Given 
Beat produced 
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