By similar methods, a circular plate may be made to exhibit nodal lines dividing the surface by diametral lines into four or a greater, but always even, number of sectors, an odd number being incompatible with the general law of stationary waves that the parts of a body adjoining a nodal line on eit
diametral הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד