Question

Construct a image for point source by plane mirror

Answer 1

Answer:

use the planes normal as a direction vector (n)

use the given point a and n to form a line

a+λn

find the point of intersection of line and plane,

point P

P is the mid point of the given point a and its image

using section formula x = (x1+x2) /2 and for y.

you can get the points of the mirror image.