Point object O is placed on the principal axis of a convex lens of focal length 20cm at a distance of 40 cm to the left of it. The diameter of the lens is 10cm to the right of the lens at a distance h below the principal axis, then the maximum value of h to see the image will be

A point object O is placed on the principal axis of a convex lens of focal length f=20cm at a distance of 40 cm to the left of it. The diameter of the lens is 10. An eye is placed 60 cm to right of the lens and a distance h below the principal axis. The maximum value of h to see the image is

A point object O is placed on the principal axis of a convex lens of focal length f=20cm at a distance of 40 cm to the left of it. The diameter of the lens is 10. An eye is placed 60 cm to right of the lens and a distance h below the principal axis. The maximum value of h to see the image is

A point object O is placed on the principal axis of a convex lens of focal length f=20cm at a distance of 40 cm to the left of it. The diameter of the lens is 10. An eye is placed 60 cm to right of the lens and a distance h below the principal axis. The maximum value of h to see the image is

A point object is placed on the optic axis of a convex lens of focal length f at a distance of 2f to the left it. The diameter of the lens d. An eye is placed are distance of 3f to the right of the lens and a distance below the optic axis. The maximum value of h to the image is

A point object is placed on the optic axis of a convex lens of focal length f at a distance of 2f to the left it. The diameter of the lens d. An eye is placed are distance of 3f to the right of the lens and a distance below the optic axis. The maximum value of h to the image is

A point object is placed on the optic axis of a convex lens of focal length f at a distance of 2f to the left of it. the diameter of the lens is 'd' . An eye is placed at a distance of 3f to the right of the lens and a distance h below the optic axis. The maximum value of h to see the image is

A 5 cm tall object is placed on the principal axis of convex lens of focal length 50 cm at a distance of 40 cm from it. Find the nature, position and size of the image.

An object is placed perpendicular to the principal axis of a convex lens of focal length 10 cm. The distance of the object from the lens is 15 cm. Find nature and position of image.