What is the number of images of an object held between two plance parallel mirrors?

Show by ray diagram the formation of image of an object placed at the focus of a concave mirror.

Fill in the blanks:- If an object is kept between two parallel mirros______ images are formed.

To form three images of an object, the angle at which two plane mirrors should be inclined to each other is

Draw ray diagram to show the: formation of image when object is placed in front of a concave mirror? between centre of curvature and focus.

A point source of light is placed at the midpoint of two concave mirror (facing each other) of focal length f , What should be the magnitude of the distance of separation d between the two mirrors for a single image to be formed?

What will be the magnification of the image of an object placed in the mid-point between the focus and the pole of a concave mirror?