Ray Optics: Reflection and Mirrors
Reflection and Mirrors: Audio Guided Solution
Problem Set RM6, Question 2:
In the Concave Mirror Lab, Josie and Evan place a light bulb a distance of 52.5 cm from a concave mirror having a focal length of 24.6 cm. Determine the …
a. … image distance (in cm). Enter a – answer if the image is located behind the mirror.
b. … image magnification. Enter a – answer if the image is inverted.
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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