MHT CET 2025 Physics question
The closed and open organ pipes have same length. When they are vibrating simultaneously in first overtone, they produce four beats. The length of open pipe is made half and that of the closed pipe is made two times the original. Now the number of beats produced if the two pipes are vibrating in their fundamental modes simultaneously is
Answer: (C)
Solution
Let the common length be . First overtone of the closed pipe is its third harmonic: ; first overtone of the open pipe is its second harmonic: . Beats: Hz. Now the open
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