The distance of an object from the pole of a concave mirror is equal to its radius of curvature. The image must be:

The distance of an object from the fouce of a convex mirror of radius curvature 'a' is 'b' The distance of the image from the focus is:

The distance of an object from the fouce of a convex mirror of radius curvature 'a' is 'b' The distance of the image from the focus is:

Calculate the distance of an object of height 'h' from a concave mirror of radius of curvature 20 cm , so as to obtain a real image of magnification 2.

The minimum sum of the distances of a real object and a real image from a concave mirror of radius of curvature 20cm is:

The minimum sum of the distances of a real object and a real image from a concave mirror of radius of curvature 20cm is:

A point object at a distance 5R/3 from the pole of a concave mirror. R is the radius of curvature of mirror. Point object oscillates with amplitude of 1mm perpendicular to the principal axis. Position of image when object is at O is :

A point object at a distance 5R/3 from the pole of a concave mirror. R is the radius of curvature of mirror. Point object oscillates with amplitude of 1mm perpendicular to the principal axis. The amplitude of image is

A point object at a distance 5R/3 from the pole of a concave mirror. R is the radius of curvature of mirror. Point object oscillates with amplitude of 1mm perpendicular to the principal axis. The amplitude of image is