Question

1.A laser is placed in the center of a room with one mirrored wall and ceiling as shown. At what angle, θ, should the beam be pointed so that it impacts three quarters of the way up the right wall? The room is x = 4.70 m long, and y = 3.60 m high.



[ans. 32.6 deg]

/θ

2.An ant is positioned between a 0.38 m tall vertical mirror and a distant tree. When the ant looks toward the mirror, the image of the tree just fills the height of the mirror. If the ant is 1.75 m from the mirror and the tree is 16.4 m from the mirror, how tall is the tree?
Draw a diagram as part of your solution. [ans. 3.94 m]

Answer 1