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Which of the following is the white part of the eye?
sclera
reflecting
the pupil is larger in dim light
the light rays need to be re-focussed using lenses
two convex lenses
to make a clear image by adjusting the distance between the screen and the lens
far-sightedness
iris
What does the term 'focus' mean?
sclera
reflecting
the pupil is larger in dim light
the light rays need to be re-focussed using lenses
two convex lenses
to make a clear image by adjusting the distance between the screen and the lens
far-sightedness
iris
Lizzy cannot see far-away objects clearly; she has
sclera
reflecting
the pupil is larger in dim light
the light rays need to be re-focussed using lenses
two convex lenses
to make a clear image by adjusting the distance between the screen and the lens
far-sightedness
iris
What does a microscope use to magnify objects?
sclera
reflecting
the pupil is larger in dim light
the light rays need to be re-focussed using lenses
two convex lenses
to make a clear image by adjusting the distance between the screen and the lens
far-sightedness
iris
Which of the following is referred to when we speak about the colour of someone's eyes?
sclera
reflecting
the pupil is larger in dim light
the light rays need to be re-focussed using lenses
two convex lenses
to make a clear image by adjusting the distance between the screen and the lens
far-sightedness
iris
To fix astigmatism
sclera
reflecting
the pupil is larger in dim light
the light rays need to be re-focussed using lenses
two convex lenses
to make a clear image by adjusting the distance between the screen and the lens
far-sightedness
iris
Which of the following is true?
sclera
reflecting
the pupil is larger in dim light
the light rays need to be re-focussed using lenses
two convex lenses
to make a clear image by adjusting the distance between the screen and the lens
far-sightedness
iris
The Hubble telescope is an example of a ____________ telescope
sclera
reflecting
the pupil is larger in dim light
the light rays need to be re-focussed using lenses
two convex lenses
to make a clear image by adjusting the distance between the screen and the lens
far-sightedness
iris
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