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My physics teacher told the class that this question had no valid answer choice (none of the choices were right).
After further research at home today, I think the answer is (2) - or the wavelength is equal to the distance between A and C, as
http://www.physicsclassroom.com/class/waves/u10l2a.cfm
Help - I have my physics final tomorrow !
My physics teacher told the class that this question had no valid answer choice (none of the choices were right).
After further research at home today, I think the answer is (2) - or the wavelength is equal to the distance between A and C, as
Physics Classroom said:In the case of a longitudinal wave, a wavelength measurement is made by measuring the distance from a compression to the next compression or from a rarefaction to the next rarefaction.
http://www.physicsclassroom.com/class/waves/u10l2a.cfm
Help - I have my physics final tomorrow !
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