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Light and Sight - lesson 6
Light and Sight - lesson 6
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1
The reflected light rays from an object enter the eye through.........
eye socket.
eye pupil.
tapetum lucidum.
blood vessels.
2
There is a inside your eye, that redirects the entered light rays.
lens
mirror
black paper
white paper
3
The right path of the light rays, that is reflected from an object on our eyes causing vision is..........
eye lens - eye pupil -brain-back of he eye.
eye pupil - brain - eye lens - back of the eye.
brain-back of the eye - eye pupil - eye lens.
eye pupil - eye lens - back of the eye - brain.
4
The eye lens redirects the entered light rays, where all redirected rays are collected in........... on the back of the eye.
three points
four points
one point
two points
5
As the eye lens can redirect the entered light rays, so this lens must be............
an opaque material.
a reflecting material.
a transparent material.
a mirror-like.
6
All of the following are correct about the function of the eye lens, except it the entered light rays...........
collects
concentrates
focuses
diffuses
7
If the eye lens is made up of an opaque material, then this eye...........
can see the near objects only.
can see the far objects only.
can see both the far and the near objects.
cannot see any objects around it.
8
The organism that has no eyes in the following species, is............
tarsier monky.
bull shark.
barbary fig.
golden frog.
9
It is a structural adaptation, that gives fishing cat an excellent night vision.
Eye lens
Tapetum lucidum
Eye pupil
Eye socket
10
It concentrates the light rays on a single point.
Tapetum lucidum
Eye pupil
Eye lens
Eye socket
11
It is the opening through which the light enters the eye.
Tapetum lucidum
Eye socket
Eye lens
Eye pupil
12
It is the place in which the eye can move inside as in human.
Tapetum lucidum
Eye pupil
Eye socket
Eye lens
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