Strum the guitar on one line, then find a spot on the second point between the two ends of the guitar without shaking. If a guitar is 60 cm, what is the wavelength of this line of jewelry.
When play guitar line, it was found that there was 2 point point between both ends of the กีต trade, no vibration. If this guitar 60 cm long Find the wavelength in สายกี ต้ารื this .