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WorksheetsRefraction and Lenses
Total questions: 49
Worksheet time: 1hrs 19mins
What type of lens do humans have in their eyes?
Concave, Converging Lens
Convex, Converging Lens
Concave, Diverging Lens
Convex, Diverging Lens
What happens to the incident ray when it enters the second medium?
Does not change direction
Bends away from normal
Bends toward normal
What happens to the incident ray when it enters the second medium?
Does not change direction
Bends away from normal
Bends toward normal
Where should the fisherman aim to get the fish on the end of his harpoon?
Below the fish that he sees
Above the fish that he sees
Directly at the fish that he sees
He should leave the poor fish alone
In the diagram what does the light do when it enters the second medium?
speeds up
slows down
maintains the same speed
What kind of lens is a magnifying glass?
Convex converging lens
Concave converging lens
Convex diverging lens
Concave diverging lens
This image formed by the lens shown is...
Inverted and smaller
inverted and bigger
not inverted and smaller
not inverted and bigger
An incident ray that is parallel to the optical axis of a converging lens ...
will reflect parallel to the principal axis
will refract through the focal point
will reflect through the center of curvature
will continue along the same path through the lens
Convex lenses can produce...
Real images
Virtual images
Real and Virtual images
no images form
An object of height 4 cm is placed 10 cm away from a concave lens of focal length 6 cm as shown in the diagram. The image produced is:
virtual.inverted
virtual,upright
real,inverted
real,upright
One way to determine how much a light ray will bend when it enters a medium
index of refraction
reflection
thermogram
mirage
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
A candle is placed 30 cm from a convex lens with a focal length of 10 cm. The image formed will be
Real, inverted, and reduced
Real, inverted, and enlarged
Real, upright, and enlarged
Virtual, upright, and enlarged
Which is not a correct statement about rainbows?
they are really circular
they form because of dispersion of light
the sunlight is internally reflected in the rear of a raindrop
they form because different colors of light refract at the same angle
True or false: A penny looks deeper than it actually is the in the bottom of the pool due to refraction of light.
True
False
A beam of light travels fastest in
a vacuum
air
water
a diamond
The separation of light into its individual frequencies is
refraction
reflection
transparency
dispersion
What is the part of your eye that helps you focus on things that are both near and far away?
vitreous humor
eyelash
retina
lens
If a person is myopic they are ____________ and the real image appears ____________ the retina?
Farsighted, before
Nearsighted, before
Farsighted, after
Nearsighted, after
If a person is Farsighted they are ____________ and the real image appears ____________ the retina?
hyperoptic, before
myoptic, before
hyperoptic, after
myoptic, after
What type of lenses does a Telescope use?
Convex, converging lens
Convex, diverging lens
Concave, converging lens
Concave, diverging lens
This image formed by the lens shown is...
a real inverted image
a virtual inverted image
a real upright image
a virtual upright image
This image formed by the lens shown is...
A virtual image formed by a convex lens
A real image formed by a convex lens
A virtual image formed by a concave lens
A real image formed by a concave lens
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
The light bouncing off the back of the raindrop is an example of...
Total Internal Refraction
Total Internal Reflection
Diffraction
Dispersion
The light separating into colors as it goes through the raindrop is an example of...
Total Internal Refraction
Total Internal Reflection
Diffraction
Dispersion
