why image on retina should be always diminished and intersected only on retina ?
Answers
Explanation:
The eye lens is a convex lens which forms real, inverted and diminished image on retina. The light sensitive cells of the retina gets activated with the incidence of light and generates electric signals. These electric signals are sent to the brain by the optic nerves and the brain interprets the electric signals in such a way that we see an image which is erect and of the same size as the object.
Answer:
When an object is placed beyond the centre of curvature then a ray of light AO which is parallel to the principal axis, pass through the focus F along the direction OF after refraction. While the other ray AC pass through the optical centre C and goes straight without any deviation according to the rule (2). These two refracted light rays intersect each other at point A’, between the focus F and centre of curvature 2F on the other side of the lens. In this way, a diminished, real and inverted image A’B’ is formed.
When the object is placed beyond 2F