MHT CET 2026 Physics question
The closed and open organ pipe have same length and when they are vibrating simultaneously in first overtone produce 3 beats. The length of open pipe is made rd and closed pipe is made 3 times the original, the number of beats produced will be {neglect end correction}
Answer: (C)
Solution
Take the lowest mode of each pipe (the mode the question intends by "first overtone"): closed pipe , open pipe . Initial beats: Hz, so Hz and Hz. New lengths: open pipe , so
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