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For a certain organ pipe, three successi...

For a certain organ pipe, three successive resonance frequencies are observer at `425`, `595` and `765 H_(Z)` respectively. Taking the speed of sound in air to be `340 m//s`, (a) explain whether the pipe is closed at one or open at boyh ends. (b) determine the fundamental frequency and length of the pipe.

A

`17 "closed"`

B

`85 "closed"`

C

`17 "oppen"`

D

`85 "open"`

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The correct Answer is:
B
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