A spoon's curved surfaces act like both concave and convex mirrors, which can produce different images depending on where the object is placed:
Inner surface
The inner surface of a spoon acts like a concave mirror. When you look into a spoon, light rays from your face hit the top of the spoon and reflect downward, creating an inverted image. The size of the image depends on how far away your face is from the spoon. If your face is very close to the spoon, the image will be diminished and smaller.
Outer surface
The outer surface of a spoon acts like a convex mirror. When you look at the back of a spoon, you'll see an upright, but distorted, image of yourself. This is because the spoon's surface doesn't have the perfect spherical or parabolic curvature needed for an undistorted image.
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