Given Data

1. A dot is drawn at the lower-right of a rectangle.
2. A horizontal water line is placed below the rectangle.

Question

Where will the dot appear in the water image?

Answer

At the upper-right below the water line.

Solution

1. A water image reverses top and bottom, not left and right.
2. The dot stays on the right side.
3. Its lower position becomes an upper position in the reflection below the water line.