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An organ pipe open at both ends has a length of 0.80 meters. The velocity of...

An organ pipe open at both ends has a length of 0.80 meters. The velocity of sound is 340 meter/second at a certain temperature T1. For these conditions, one has the lowest resonant frequency F1 for the pipe at the temperature T1. The length is held constant, and the temperature of the air increases to temperature T2. The new lowest resonant frequency F2 (at the higher temperature) will be

a.) higher than the original lowest resonant frequency (F2>F1)

b.) equal to the original lowest resonant frequency (F2=F1)

c.) less than the original resonant frequency (F2<F1)

d.) in no way related to the original lowest resonant frequency  

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