Ray Optics: Reflection and Mirrors
Reflection and Mirrors: Audio Guided Solution
Problem Set RM11, Question 6:
An ice cream cone is positioned at a location that is 17.7 cm from a convex mirror. The mirror produces an image of the ice cream cone that is one-half the size as the cone. Determine the radius of curvature (in cm) of the mirror.
Audio Guided Solution
Habits of an Effective Problem Solver
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Read the problem carefully and develop a mental picture of the physical situation. If necessary, sketch a simple diagram of the physical situation to help you visualize it.
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Identify the known and unknown quantities in an organized manner. Equate given values to the symbols used to represent the corresponding quantity - e.g., do = 24.2 cm; di= 16.8 cm; f = ???.
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Use physics formulas and conceptual reasoning to plot a strategy for solving for the unknown quantity.
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Identify the appropriate formula(s) to use.
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Perform substitutions and algebraic manipulations in order to solve for the unknown quantity.
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