A point object is placed at a distance of 10 cm and its real image is formed at a distance of 20 cm from a concave mirror. If the object is moved by 0.1 cm towards the mirror, the image will shift by about

A point object is placed at a distamce of 10 cm anad its real image is formed at a distance of 20 cm from a concave mirror. If the object is moved by 0.1 cm towards the mirror. The image will shift by about

A point object is placed at a distamce of 10 cm anad its real image is formed at a distance of 20 cm from a concave mirror. If the object is moved by 0.1 cm towards the mirror. The image will shift by about

An object is placed at a distance of 30 cm from a concave mirror and its real image is formed at a distance of 30 cm from the mirror. The focal length of the mirror is

An object is placed at a distance of 30 cm from a concave mirror and its real image is formed at a distance of 30 cm from the mirror. The focal length of the mirror is

The image of a point object placed at 10 cm from a concave mirror, is formed at a distance of 20 cm from the mirror. If the object is moved towards the mirror by 0.1 cm then the image

An object is placed at a distance of 25 cm from a concave mirror and a real image a formed by the mirror at a distance of 37.5 cm. If the object is moved 15 cm towards the mirror the image distance will be

The image of an object at a distance of 40 cm from a convex mirror is formed at a distance of 10 cm from the mirror . If the object begins to move towards the mirror with a velocity of 8 cm * s^(-1) what will be the velocity of the image?

If the object is placed at a distance of 10 cm from a plane mirror, then the image distance is ______ .