[单选题]
13.06: A 1.50 m-long stxtv;otwae0vh 3hr8nk4a * 3/e ring clamped at both ends is92. vngntkim4i/vid usb0x4 5iyz /t , vibrating at its second harmonic. What is the wavelt/ 4 4m i9ixig/b,vsk20.i v5zn yntudength associated with the string for this scenario?
