Question

What do you mean by angle of vision? Write its value.

Answer 1

Answer:

The visual angle is the angle a viewed object subtends at the eye, usually stated in degrees of arc. It also is called the object's angular size. The diagram on the right shows an observer's eye looking at a frontal extent (the vertical arrow) that has a linear size , located in the distance from point

Answer 2

Answer:

* Simply the maximum angle at which we can see the whole image of an object clearly is called angle of vision

* The angle of vision in human beings is 60°