Draw the diagrams to show the behaviour of plane wave fronts as they -a- pass through a thin prism- and -b- pass through a thin convex lens and -c- reflect by a concave mirror-

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The behavior of a thin prism and a thin convex lens are shown in figs- -a- and -b- respectively-

Draw the diagrams to show the behaviour of plane wave fronts as they (a) pass through a thin prism, and (b) pass through a thin convex lens and (c) reflect by a concave mirror.

The behavior of a thin prism and a thin convex lens are shown in figs. (a) and (b) respectively.