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WorksheetsLight
Total questions: 76
Worksheet time: 7hrs 6mins
Name
Class
Date
1.
What happens when light hits an object you can see?
a)
The light turns corners.
b)
The light curves around the object.
c)
The object reflects the light.
d)
The light and the object do not form a shadow.
2.
What happens when light hits a mirror?
a)
it makes a color
b)
it reflects
c)
it makes a rainbow
d)
it passes through
3.
How does light travel from a source?
a)
Around corners
b)
In circles
c)
Very slowly
d)
In a straight line
4.
What form of energy travels faster? Light or Sound?
a)
light
b)
sound
5.
Which of the following materials would bounce back almost all the light waves that hit it?
a)
a white wall
b)
wax paper
c)
a mirror
d)
a window
6.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
7.
Which of these is an example of visible light?
a)
X-rays
b)
rainbow
c)
microwaves
d)
radio waves
8.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
9.
What are the two properties of light?
a)
color and mass
b)
brightness and mass
c)
color and brightness
d)
energy and volume
10.
What would be the best way to tell whether the candle or the light bulb gives off brighter light?
a)
Unplug the light bulb and then blow out the candle
b)
Turn on the lights in the room
c)
Put the candle and the light bulb at the same distance from you
d)
Move the light bulb and the candle to a sunny window
11.
Why does a ruler with one end in the air and one end under water appear bent?
a)
Light moves through air faster than it moves through water.
b)
The light is reflected from the ruler moves in a curved path.
c)
Light moves through water at the same speed as it moves through air.
d)
Light in the air is brighter than light in the water.
12.
Through what kind of matter does light move fastest?
a)
liquids
b)
air
c)
matter that is lighter in color
d)
matter that is in larger objects
13.
Why does the reflection of the trees in the lake appear blurry?
a)
The light that hits the water is reflected in different directions.
b)
The light that hits the water is reflected at different speeds.
c)
The light is reflected from the uneven bottom of the lake.
d)
The light that is reflected from the trees is refracted by the lake.
14.
Light travels in...
a)
mechanical waves
b)
longitudinal waves
c)
transverse waves
d)
compression waves
15.
Which statements below do not describe the behavior of light waves when they hit an object such as a smooth, glass mirror?
a)
refracted, transmitted, & absorbed
b)
transmitted & reflected
c)
reflected
d)
refracted & absorbed only
16.
Which of the following are examples of refraction?
a)
A,B, & C
b)
D, E, & F
c)
B, C, D, & E
d)
B, C, E, & F
17.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
18.
Light travels...
a)
A. in ovals
b)
B. in circles
c)
C. in squares
d)
D. in straight lines
19.
Reflection is...
a)
A. light bouncing off a surface
b)
B. the bending of light
c)
C. the absorption of light
d)
D. light breaking into colors
20.
Which of the following are also examples of what is happening in the picture?
a)
A
b)
B & C
c)
A, B, & D
d)
A & C
21.
What causes the pencil to look broken when placed in water?
a)
Refraction
b)
Deflect
c)
Reflection
d)
Opaque
22.
Light waves need matter to travel.
a)
True
b)
False
23.
The bending of light as it moves from one material to another is ---
a)
refraction
b)
reflection
c)
translucent
d)
absorbed
24.
Light which is vibrating in a single plane is referred to as
a)
electromagnetic
b)
transverse
c)
unpolarized
d)
polarized
25.
In a convex lenses, an object is placed beyond 2f. What would the image look like?
a)
inverted, real and small compared to the object
b)
inverted, real and large compared to the object
c)
upright, virtual and small compared to the object
d)
upright, virtual and large compared to the object
26.
If an object is placed in between f and the converging lens, what would the image look like?
a)
real and inverted
b)
real and upright
c)
virtual and upright
d)
virtual and inverted
27.
They visible portion of the electromagnetic spectrum has an average wavelength of about
a)
500 km
b)
500 cm
c)
500 nm
d)
500 mm
28.
Electromagnetic radiation associated with a higher amount of energy transfer has a higher
a)
wavelength
b)
speed
c)
frequency
d)
amplitude
29.
Refraction occurs when
a)
light travels through two media that have different optical densities
b)
light strikes the boundary of the two media that have the same optical density
c)
the angle of incidence is zero
d)
the angle of refraction is zero
30.
When light rays travel from one medium into a more optically dense medium,
a)
the rays speed up
b)
the angle of refraction is smaller than the angle of incidence
c)
the refracted rays bend away from the normal
d)
the angle of incidence equals the angle of refraction
31.
The Law of Reflection can be simply stated as
a)
matter cannot be created nor destroyed
b)
the angle in is equal to the angle out
c)
the color of an object is primarily to the wavelength of light which is reflected
d)
the color of an object is primarily related to the wavelength of light which is aborbed
32.
The focal length of a spherical mirror equals
a)
the radius of curvature
b)
half the radius of curvature
c)
twice the radius of curvature
d)
half the length of the principal axis
33.
When a real image is formed
a)
light rays seem to diverge behind the mirror
b)
the image cannot be projected on the screen
c)
light rays converge at the image
d)
the image is always upright
34.
Concave lenses have positive focal lengths
a)
true
b)
false
35.
Rays parallel to the principal axis of a concave mirror converge at the focal point
a)
true
b)
false
36.
Magnification is equal to the size of the image divided by the size of the objective.
a)
true
b)
false
37.
When light passes through a single slit, which of the following appears?
a)
a series of equally bright bands
b)
a dark central band, with bright bands to the sides
c)
a bright central band, with dimmer bands to the sides
d)
a single wide bright band
38.
The Duality of Light can be explained as,
a)
light can act as a wave or particles
b)
light can act as a wave and particles
c)
light can act as a wave only
d)
light can act as particles only
39.
All of the colors of light visible in the EM spectrum
a)
have the same energy
b)
have the same wavelength
c)
travel at the same speed
d)
all of the above
40.
Which pair of terms best describes light waves traveling from the sun to earth?
a)
electromagnetic and transverse
b)
mechanical and transverse
c)
electromagnetic and longitudinal
d)
mechanical and longitudinal
41.
What might cause a radio going 'dead' for a moment while driving under a bridge?
a)
reflection
b)
refraction
c)
diffraction
d)
interference
42.
Light, gravity, and magnetism all have this property in common:
a)
all are associated with forces
b)
all are forms of energy
c)
all have inverse square field strength
d)
all have a constant velocity
43.
The bending of waves around the edges of a barrier is called
a)
diffraction
b)
dispersion
c)
refraction
d)
reflection
44.
Which types of waves demonstrate the ability to bend around corners of a barrier
a)
light
b)
sound
c)
water
d)
all of the above
45.
Compared to a photon of orange light, a photon of violet light has a
a)
greater energy
b)
longer wavelength
c)
smaller momentum
d)
lower frequency
46.
Radio waves diffract around buildings more then light waves do because, compared to light waves, radio waves
a)
move faster
b)
move slower
c)
have a higher frequency
d)
have a longer wavelength
47.
All EM waves traveling in a vacuum have the same,
a)
speed
b)
wavelength
c)
period
d)
frequency
48.
Convex mirror are mirrors that
a)
Converge light rays and produce a upside down image
b)
Diverge (spread apart) light rays and produce a smaller, upright image
c)
produce a magnified image
d)
Can melt the sun if aimed at it.
49.
The distance between one point of a wave to the same point in the next wave.
a)
Amplitude
b)
aptitude
c)
wavelength
d)
surfer wave
50.
The material or substance that a wave travels through is called what?
a)
medium
b)
substance
c)
Matter
d)
water
51.
Which has a higher frequency than visible light?
a)
radio
b)
microwave
c)
infrared
d)
gamma
52.
All waves carry
a)
energy
b)
light
c)
matter
d)
particles
53.
Gamma rays have the shortest wavelength, and therefore the ____ frequency.
a)
lowest
b)
highest
c)
same
d)
You are almost done!
54.
Which of these electromagnetic waves can we see with our eyes?
a)
radio
b)
x-ray
c)
microwave
d)
visible light
55.
What kind of wave is pictured below?
a)
compressional wave
b)
transverse wave
c)
sound wave
d)
mechanical wave
56.
The higher the frequency the ______ the energy.
a)
higher
b)
lower
c)
Energy stays constant
57.
_______ carry the greatest amount of energy.
a)
x-rays
b)
gamma rays
c)
infrared rays
d)
Radio Waves
58.
Electromagnetic waves with the longest wavelengths are
a)
gamma rays
b)
x-rays
c)
infrared waves
d)
radio waves
59.
_____ is a lens that is thicker in the middle and converge light rays creating a real image.
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
60.
______ is a lens that is thicker on its edges, diverges light and makes ______________ images
a)
mirror
b)
convex lens/ real image
c)
concave lens/ virtual image
d)
prism
61.
A magnifying glass is an example of what type of lens?
a)
convex
b)
concave
c)
mirror
d)
prism
62.
How does light travel?
a)
in all directions
b)
in transverse waves
c)
in a zig zag line
d)
back and forth
63.
A lens that is thicker in the center and thinner at the edges and bends light inwards is a ____________________
a)
concave lens
b)
convex lens
64.
Why does your finger look bent when you put it in a glass of water?
a)
refraction
b)
reflection
c)
total internal reflection
d)
diffraction
65.
What type of image is formed when rays of light actually intersect?
a)
real
b)
virtual
c)
projected
d)
curved
66.
What is a real image?
a)
Image occuring when light rays do not meet at a point
b)
Image occurring when light rays meet at a point
67.
What is a virtual image?
a)
Image created when light rays meet at a point
b)
Image created when light rays spread apart and do not meet at a point
68.
Concave mirrors are mirrors that
a)
diverge (spread apart) light rays and produce smaller images
b)
converge light rays and produce an upright image, magnified if close,and an inverted smaller image if far away.
69.
What is interference?
a)
when waves stay apart and never meet causing static
b)
when two or more waves overlap and combine as a result of diffraction
c)
A result of stars that have experienced a supernova
d)
Electrical currents in wires
70.
The electromagnetic energy (EM energy) that comes from the sun...
a)
has only visible light.
b)
has only visible and UV light.
c)
has all forms of EM energy from radio to gamma.
d)
has only infrared and visible energy.
71.
Which of these is an example of visible light?
a)
X-rays
b)
rainbow
c)
microwaves
d)
radio waves
72.
Light is a part of what spectrum?
a)
hydroelectric
b)
Solarpower
c)
electromagnetic
d)
Censa
73.
How does light travel from a source?
a)
Around corners
b)
In circles
c)
Very slowly
d)
In a straight line
74.
which of the following does NOT belong in the electromagnetic spectrum:
a)
X-ray
b)
sound wave
c)
ultra violet rays
d)
microwaves
75.
Electromagnetic waves________________travel through space.
a)
Never
b)
Cannot
c)
Can
d)
Wish they could
76.
_____________________light is the only type of EM wave detected by the human eye.
a)
Red
b)
Gamma
c)
Microwave
d)
Visible
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