буталсан элсний php төсөл
буталсан элсний нягтрал 0 5мм буталсан чулуу гэсэн утгатай 30 60 A spherical concave mirror with a radius of curvature of 40.0 cm is used to produce an image of a cell phone 3.0 cm tall Determine the type of image image distance size of image and magnification if the cell is phone is the following ...