A UNIFORM ELECTRIC FIELD E=91*10-6V+M IS CREATED BETWEEN TWO PARALLEL,CHARGED PLATE AS SHOWN IN THE FIGURE.AN ELECTRONS ENTERS FIELD SYMMETRICALLY BETWEEN THE PLATES WITH A SPEED V=4*103 M+S.THE LENGTH OF EACH PLATE IS L=1M.FIND THE ANGLE OF DEVATION OF PATH OF THE ELECTRONS AS IT COMES OUT OF THE FIELD.