length of air column in 4 tubes A B C and D are 8cm 6cm 4cm and 2cm respectively.when a tuning fork is kept in the mouth of D it goes into resonance and make loud sound.which other tube will make loud sound and why?
since all aircolumns seem to be like 2*2cm, 3*2cm, and 4*2cm.....arent all integral multiples ??

Question

length of air column in 4 tubes A B C and D are 8cm 6cm 4cm and 2cm respectively.when a tuning fork is kept in the mouth of D it goes into resonance and make loud sound.which other tube will make loud sound and why?

since all aircolumns seem to be like 2*2cm, 3*2cm, and 4*2cm.....arent all integral multiples ??

jeny · Answer

because in one end open tube with air column,the sympathetic resonant frequencies are odd integral multiples of the fundamental frequency

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