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An ideal organ pipe resonates at successive frequencies of 50 Hz, 150 Hz, 250 Hz, etc (speed of sound = 340 m/s) The pipe is

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a
open at both ends and of length 3.4 m
b
open at both ends and of length 6.8 m
c
closed at one end, open at the other, and of length 1.7 m
d
closed at one end, open at the other, and of length 3.4 m

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detailed solution

Correct option is C

The frequencies given are odd multiple of fundamental. Hence close organ pipe50=14l×340⇒l=1.7m


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Two adjacent natural frequencies of an organ pipe are formed to be 550 Hz and 650 Hz. Calculate the length of this pipe (in m). (Velocity of sound in air 350 m/s).


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