Question: Sketch the wavefronts corresponding to all the rays in Figure 33.25a, both the parallel ones on the left and the refracted ones on the right.
Sketch the wavefronts corresponding to all the rays in Figure 33.25a, both the parallel ones on the left and the refracted ones on the right.

Figure 33.25 Converging lens with convex spherical surfaces. (a) focus axis (b) focus 1 Rays that enter lens parallel to lens axis converge at focus. Rays that originate at focus emerge parallel to lens axis.
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