There are two plane mirrors with an initial angle of 120 degree.

Click the green circle and drag the mouse to change the angle.

The red circle (with yellow background) and the blue line on the left of the mirror , represent the object to be play with.

Click inside the red circle or near the end of blue segment and drag the mouse to change size/location/orientation of the object.
Right click the mouse button to show the relations between images.

Rays of light will emit from the red circle if you click mouse button twice.
Find out the light paths and their relations to the images.
Play with it and enter the physics of optics. 
 

Mirror and images
Game to play with mirror.

Your suggestions are highly appreciated! Please click hwang@phy03.phy.ntnu.edu.tw

Author：Fu-Kwun Hwang, Dept. of physics, National Taiwan Normal University