[单选题]
13.06: A 1.50 m-long string clamped at both ends is v+s5( piwv8ak duiua z;2ag4 0pibrating ayvakdurl+jn 3/je 0 f,6j4b5*qi ) text its second harmonic. What is the wavelength associatjnlyjki4,ue )053jberq fd/*t+ a x v6ed with the string for this scenario?
