In the figure shown, how many images of the star will an observer at O see?

How many triangles in this image.

How many arms has a star-fish?

In the arrangement shown in figure, O is the object. An observer is to the left of convex lens and looking towards lens. The observer will see an image

In the arrangement shown in figure, O is the object. An observer is to the left of convex lens and looking towards lens. The observer will see an image

In the arrangement shown in figure., the image of the extended object as seen by the observer is

In the arrangement shown in figure., the image of the extended object as seen by the observer is