A glass rod 96 cm long with an index of refraction of 1.6 has its ends ground

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A glass rod 96 cm long with an index of refraction of 1.6 has its ends ground to convex spherical surfaces of radii 8 cm and 16 cm. A point object is in air on the axis of the rod 20 cm from the end with the 8-cm radius.

(a) Find the image distance due to refraction at the first surface.

(b) Find the final image due to refraction at both surfaces.

(c) Is the final image real or virtual?


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