Question

5.
Define the terms:
(a) Blind spot on the retina
(b) Persistence of vision of human eye(short note)​

Answer 1

Explanation:-

Blind Spot: The blind spot is an area on the retina that does not have any nerve cells. Therefore, an image that falls on this region will not be seen.

Persistence Of Vision: The eye and the brain retain the inpression of an object's image formed on the retina for a short period of time.

Answer 2

Answer:

a) blind spot: The blind spot is an area on the retina that does not have any nerve cells

b) persistence of vision of human eye: Persistence of vision of human eye is refered as optical illusion that occurs when visual perception of an object does not chease for some time after the ray of light reading from it have cheased to enter the eye