12.Light Flashcards
1
Q
Laws or reflection of light
A
i) the angle of incident is equal to the angle of reflection .
✓i = ✓r
ii) the incident ray the normal Ray the reflected ray all lie in the same plane
2
Q
Which lense is used to correct myopia
A
Concave lense
3
Q
Lense used in hypermyiopia
A
Convex lense
4
Q
Transparent bulge on the front of the reyes is called
A
Cornea
5
Q
What controls the size of the pupil
A
Iris
6
Q
What are cones cells
A
Cones are sensitive to bright light
Sense colours
7
Q
Rods cells
A
Which are sensitive to dim light
8
Q
At the junction of the optic nerve and the retina there are no sensory cell with place is called
A
Blind spot
9
Q
Cataract
A
In old people the length become cloudy
10
Q
When an object is kept between two parallel mirror i
A
Infinite images are formed
