Question:
A small object is placed at the center of the bottom of a cylindrical vessel of radius $3 \mathrm{~cm}$ and height $4 \mathrm{~cm}$ filled completely with water. Consider the ray leaving the vessel through a corner. Suppose this ray and the ray along the axis of the vessel are used to trace the image. Find the apparent depth under the assumption taken. Refractive index of water is $-1.33 .$
Solution:
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