- #1
rambo5330
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Homework Statement
Quick question I can visualise but not determine mathematically..
The question in my text says:
Determine the MINIMUM size of a flat vertical mirror that a person 178 cm can see his whole image. It suggest that a ray diagram will help.
The Attempt at a Solution
well I could tell that the mirror should be less than the total 178 cm.. but even with the use of a ray diagram i keep getting a 1 to 1 thing going on... if object height equals 178cm and image height equals 178cm...my only thoughts are with the use of a ray diagram i guess there must be some critical for the reflected rays i should be looking for?