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WorksheetsChapter 30 Quiz - Lenses
Total questions: 25
Worksheet time: 1hrs 6mins
Which type of lens separates light rays from a single point as they exit the lens?
prism
converging
diverging
polarized
Which type of lens brings light rays to single point after exiting the lens?
polarized
diverging
prism
converging
When light travels through a lens and the image produced from the lens cannot be projected onto the screen, which type of image is produced?
real
refracted
virtual
inverted
What is the point on the principal axis where light is supposed to either meet or originate from?
focal point
focal length
center point
ray center
When a person has difficulty seeing objects far away, they are usually diagnosed with farsighted vision. What about the eye causes farsighted vision?
normal shape
taller shape
longer shape
shorter shape
What is the distance between the the center of the lens and the focal points called?
principal axis
focal length
focal distance
lens radial line
When someone has difficulty seeing seeing objects clearly at any distance, their eye's cornea is more curved in one direction than the other. What is this condition called?
blindess
astigmatism
nearsighted
farsighted
When light from an object exits a lens and the image produced can be seen on a piece of paper, what kind of image is produced?
real
refracted
inverted
virtual
Which of the following is the correct discription of the image?
real, magnified 2x, inverted
virtual, magnified 2x, right-side up
real, magnified 0.5x, right-side up
virtual, magnified 0.5x, inverted
What is the correct description of the image?
Virtual, magnified 3x, inverted
real, magnified 3x, inverted
real, magnigied 3x, right-side up
Virtual, magnified 3x, right-side up
What is the correct description of the image?
Real, magnified 0.5x, right-side up
Real, magnified, 0.5x, inverted
Virtual, magnified 0.5x, right-side up
Virtual, magnified 0.5x, inverted
Where is the focal plane?
at the center of the lens
the same location as the object
at the focal point
parallel to the principal axis
True or False: All real images are are inverted (upside down)?
True
False
Where is the location of the object on a ray diagram if the lens is used as a magnifying glass?
outside of the focal point
on the focal point
between the focal point and the center of the lens
What kind of image does a magnifying glass produce?
real and inverted
real and right-side up
virtual and inverted (upside down)
virtual and right-side up
What kind of lens is this?
concave
an eyepiece
convex
a cornea
Which of the following is NOT a property of a converging lens?
can be used as a magnifying glass
rays of light refract to a single point after exiting this lens
only forms virtual images
thicker in the middle
What do we use ray diagrams to determine?
the location of the object
the focal length
the location of the image
the type of lens being used
What do lenses do?
separate white light into a rainbow
bend rays of light to form an image
reflect light similarly to a mirror
absorb all light
How many rays do we typically use in ray diagrams?
3
4
2
5
How many rays MUST you use in a ray diagram?
3
4
2
1
Which of the following instruments is most similar to the eye?
microscope
projector
telescope
camera
In a ray diagram in which the converging lens acts as a magnifying class, where is the image located?
Behind the lens (on the other side of the lens the object is not on)
In front of the lens (same side of the lens as the object) but between the object and the center of the lens
In front of the lens (same side of the lens as the object) but the object is between the image and the center of the lens
no image can be created (image location is infinity)
Which is the correct description of the first principal ray in a ray diagram with a converging lens?
light ray moves from object, parallel to the principal axis, and bends toward the principal axis after exiting the lens
light ray moves from object, parallel to the principal axis, and bends away from the principal axis after exiting the lens
light ray moves from object diagonally through the center of the lens in a straight line
light ray moves from object diagonally to the center of the lens, and bends to be parallel with the principal axis
True or False: Ray diagrams for both converging and diverging lenses have a principal ray that is a straight diagonal line from the object through the center of the lens
True
False
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