Reflection & Mirrors

an Online Optics Learning Module for Phy122

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Video: Constructing the image of a plane mirror

What is the minimum length of a plane mirror in which you can see the full length of your body? (Assume that you can hang the mirror any place you need it.)

a. The plane mirror must be as long as I am tall.
b. The mirror's length must be half of my height.
c. The mirror's length must be one quarter of my height.
d. The minimum length of the mirror depends on how far away I stand from it.

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