The minimum distance of clear vision for a normal healthy eye of human being is supposed to be :

The defect of vision in which a person cannot see the distant objects clearly but can see nearby objects clearly is called

The minimum height of a plane mirror to see the full size image of a person is equal to –

A concave mirror of radius of curvature 50 cm is used to form an image of an object kept at a distance of 25 cm from the mirror on its principal axis. What will be the position of the image from the…

The focal length of normal eye lens is about

Sita, 1.5 m high, stands before a plane mirror fixed on a wall to view her full image. What should be the minimum height of the plane mirror so that Sita can view her image fully?