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 cm.An eye is placed 60cm to the right of lens and a distance h below the principal axis.The maximum value h to see 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 cm.An eye is placed 60cm to the right of lens and a distance h below the principal axis.The maximum value h to see image is_______________