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The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed organ pipe. If the length of the closed organ pipe is 20 cm, the length of the open organ pipe is

Q. The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed organ pipe. If the length of the closed organ pipe is 20 cm, the length of the open organ pipe is
(1) 12.5 cm

(2) 8 cm

(3) 13.2 cm

(4) 16 cm                                                                                                                                                                                                                                                                                                                             (NEET-2018)

(NEET-2018)
NTA Solutions (3):-

Aditya Bhatt Changed status to publish 3 May 2024
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