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Finding vector reflected by plane

by Curl
Tags: plane, reflected, vector
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Curl
#1
Jan25-12, 01:43 AM
P: 757
I have an incident laser beam shot at a flat mirror with normal vector n. The beam is coming at it with a direction I. I want to find the vector P which is what the reflected beam is heading out from.

Edit: I figured it out, sorry for the post. For the record, you take the component of I along the normal vector and reflect it (switch its heading) and the rest of it is the same.
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