What is far pointof distinct vision ?
Infinity
What is persistence of vision ?
It persists there for about 1/16th of a second.
The eye
The eye has a roughly spherical shape. The outer coat of the eye is white. It is tough so that it can protect the interior of the eye from accidents.Its transparent front part is called cornea . Behind the cornea, we find a dark muscular structure called iris. In the iris, there is a small …
What is principle of Rainbow ?
Rainbow is a natural phenomenon showing dispersion.
What is dispersion of light ?
Splitting of light into its colours is known as dispersion of light.
What is regular reflection ?
Reflection from a smooth surface like that of a mirror is called regular reflection.
What is diffused or irregular reflection ?
When all the parallel rays reflected from a rough or irregular surface are not parallel, the reflection is known as diffused or irregular reflection.
What is lateral inversion ?
an image formed by a mirror the left of the object appears on the right and the right appears on the left. This is known as lateral inversion.
What is angle of reflection (∠r)?
The angle between the normal and the reflected ray is known as the angle of reflection (∠r)