A man uses a concave mirror for shaving. He keeps his face at a distance of 25 cm from the mirror and gets an image which is 1.4 times enlarged. Find the focal lengt.1 of the mirror

A man uses a concave mirror for shaving. He keeps his face at a distance of 20cm form the mirror and gets an image which is 1.5 times entarged. Find the focal length of the mirror.

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 25 cm from a spherical mirror, its image is formed behing the mirror at a distance of 5 cm. The focal length and type mirror is

A concave mirror forms an image of 20 cm high object on a screen placed 5.0 m away from the mirror. The height of the image is 50 cm. Find the focal length of the mirror and the distance between the mirror and the object.

A man uses a concave mirror for shaving and see his 2 times enlarged image when his face is at a distance 40 cm from mirror.Find focal length of mirror [80 cm]