91影视

We have been given that a red ball is placed at point A in$FIGUREP34.44$.

We need to find the number of images seen by an observer at point O.

In the figure given below, we can observe that the observer at point O can see three images.

Image $I_1$is formed by the reflection by mirror $1$and image $I_2$is formed by the reflection from mirror $2$.

But the image $I_3$is formed by the reflection by two mirrors, first the ray is reflected by mirror $1$and then reflected by mirror $2$.

We have been given that a red ball is placed at a point A in $FIGUREP34.44$.

We need to find the$(x,y)$coordinates of each image seen by an observer at point O.

By labelling the image drawn in Part(a),

We can observe that the image $I_1$of a ball is at $(1.0m,-2.0m)$in mirror $1$(Green rays).

The image $I_2$of a ball is at $(-1.0m,2.0m)$in mirror $2$(Red rays).

The image $I_3$of $I_1$in mirror $2$or we can say, the image of $I_2$in mirror $1$is at $(1.0m,2.0m)$depicted by black rays.