Three plane mirrors are kept as shown in the Figure A point object (O) is kept at the centroid of the triangle seen in the Figure. How many images will be formed?

An object is kept at the centre of curvature of a concave mirror. The position and nature of the image formed is

Two plane mirrors intersect at origin. An object 'O' is kept at a distance R on negative y-axis as shown in the figure. The co-ordinates of images formed after three reflections will be (first reflection is is considered at m_(1) )

Two plane mirrors intersect at origin. An object 'O' is kept at a distance R on negative y-axis as shown in the figure. The co-ordinates of images formed after three reflections will be (first reflection is is considered at m_(1) )

A thin convex lens of focal length 'f' is put on a plane mirror as shown in the figure . When an object is kept at a distance 'a' from the lens - mirror combination , its image is formed at a distance (a)/(3) in front of the combination . The value of 'a' is :-

A thin convex lens of focal length 'f' is put on a plane mirror as shown in the figure . When an object is kept at a distance 'a' from the lens - mirror combination , its image is formed at a distance (a)/(3) in front of the combination . The value of 'a' is :-

A thin convex lens of focal length 'f' is put on a plane mirror as shown in the figure. When an object is kept at a distance 'a' from the lens - mirror combination,its image is formed at a distance (a)/(3) in front of the combination . The value of 'a' is :-