Ray tracing is a simple way to understand how a lens forms an image of an object

Question

Ray tracing is a simple way to understand how a lens forms an image of an object. Fig. 3 in the lab description and Fig. 33-6 in the textbook show examples of ray tracing for converging lenses. Ray tracing is also helpful in understanding combinations of lenses (see Fig. 33-14 in the textbook). The figure shows a combination of two converging lenses and a light ray (Ray A2) that emanates from the object (OA), passes through the focal point in front of the lens, and leaves the lens parallel to the optical axis (compare with Ray 2 in Fig. 3 (b)). What will happen to the ray as it passes through the second lens, LB? It will remain parallel to the optical axis. It will be refracted away from the optical axis, as if it had passed through the focal point F'B. It will be refracted toward the optical axis and pass through the focal point FB on the other side of the lens. It will be refracted toward the optical axis but will not necessarily pass through the focal point F5 on the other side of the lens.

Explanation / Answer

It will berefrected towars optical axis and passes through FB

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