Ex- Consider a lens combination consisting of a convex lens (f=+20 cm) and a concave lens (f=-10 cm) separated by 8 cm. Determine the system matrix elements and the positions of the unit planes. For an object of height 1 cm placed at a distance of 40 cm from convex lens, determine the size and position of the image.
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In Newton ring experiment the diameters of 1st and 10th bright rings are 0.24cm and 0.72cm respectively. The radius of curvature of the curved surface of convex lens is 2m.
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