INVESTIGATION OF VIRTUAL IMAGES PROCEDURE 1. Position the light source assembly and number \"4\" serving as the object at the 1{] cm mark. Place the It] cm double convex lens at the 19 cm mark. In other words, 9cm away from the object. Remove the viewing screen from the track. 2. Position your eye approximately 30 cm from the lens and look through the lens at the illuminated \"4.\" 115. Record the appearance of the object. 3. Move your eye to one side of the lens so that you can directly see the illuminated \"4.\" 1115. Compare the size and orientation of the image you can see through the lens to how the H I\" l t {I II I] E I I II 4. Gradually move the lens closer to the object and observe the image by looking through the lens