Teaching Physics with the Physics Suite
Edward F. Redish
Look at your reflection in a shiny metal spoon, or a curved mirror. If it’s curved towards you, like looking into the bowl of the spoon, we call it concave and if it’s curved outward, like looking at the back of the spoon, we call it convex. Use a concave mirror for this, such as your reflection off the inside of a spoon.
a. When you look at your reflection, is it magnified or reduced? Can you account for that, using our ray model of light? Draw a diagram.
b. Move the spoon or curved mirror away. What happens to your reflection? Can you account for that, using our ray model of light? Draw a diagram.
Problem by D. Hammer
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Page last modified April 8, 2006: OP28