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