Instead of a concave lens near the eye ... the red and blue ends of the spectrum to converge towards a single focal point, thereby solving the color-fringe problem. Despite myriad embellishments ...

In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.

The point of intersection of these refracted rays gives the location of the image. As you can see, the image is real, inverted, and magnified. Question 11: A concave lens of focal length 15 cm ...

In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.