The average size of an Indian face is `24xx16 cm^(2)`. Find the minimum size of a plane mirror required to see the face completely by :
(i) one eyed man
(ii) tow eyed man. (Distance between eyes is `=4 cm`)

Find the minimum size of mirror required to see the full image of a wall behind a man standing at the centre of room, where H is the height of wall.

A person has D cm wide face and his two eyes are separated by d cm. The minimum width of a mirror required for the person to view his complete face is

A person has D cm wide face and his two eyes are separated by d cm. The minimum width of a mirror required for the person to view his complete face is

A person has D cm wide face and his two eyes are separated by d cm. The minimum width of a mirror required for the person to view his complete face is

An object is at a distance 25 cm in front of a plane mirror. The mirror is shifted 5 cm away from the object. Find: (i) the new distance between theobject ad its image, and (ii) the distance between the two positions of the image.

in figure shown AB is a plane mirror of length 40cm placed at a height 40cm from ground . There is a light source S at a point on the ground ,Find the maximum and minimum height of a man(eye height)required to see the image of the source If he is standing at a point A on ground shown in figure.