Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Light Optics 2019

Total questions: 88

Worksheet time: 2hrs 14mins

Name
Class
Date
1.
What happens to the speed of a light ray when it enters a more dense material?
a)
It slows down
b)
It speeds up
c)
It stays the same
2.
What are the properties of the image of a plane mirror?
a)
Real, Enlarged
b)
Virtual, Enlarged
c)
Real, Same Size
d)
Virtual Same Size
3.
An image that forms at a location from which the real light rays appear to come together but do not actually cross
a)
real 
b)
virtual
c)
critical
d)
focal
4.
Nearsighted vision is corrected when _____ lenses allow light rays to focus on the retina
a)
converging
b)
diverging 
5.
farsighted vision is corrected when _____ lenses allow light rays to focus on the retina
a)
converging
b)
diverging 
6.
A converging lens has a focal length of 30 cm. A 5 cm tall candle is placed at a distance of 10 cm in front of the lens. Determine the image distance.
a)
- 45 cm
b)
-30 cm
c)
-15 cm
d)
6 cm
7.
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
8.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
9.
_____ is a lens that is thicker in the middle and makes an object appear bigger.
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
10.
______ is a lens that is thicker on its edges and makes an object appear smaller?
a)
mirror
b)
convex lens
c)
concave lens
d)
prism
11.
This is an example of...
a)
Reflection
b)
Refraction
c)
Polarization
d)
Spectrum
12.
A convex lens is a __________ device.
a)
Convergent
b)
Divergent
c)
Reflective
d)
None of the option
13.
A Concave lens is a __________ device.
a)
Convergent
b)
Divergent
c)
Reflective
d)
None of the options
14.
What property of waves stays constant during refraction?
a)
frequency
b)
wavelength
c)
speed
d)
amplitude
15.
Which of the following in the diagram is the incident ray?
a)
A
b)
B
c)
C
d)
D
16.
Which of the following in the diagram is the refracted ray?
a)
A
b)
B
c)
C
d)
D
17.
A ray of white light passes through a prism.  On the other side of the prism, you see a rainbow.  What is this phenomenon called?
a)
Reflection
b)
Refraction
c)
Medium
d)
Dispersion
18.
How does light behave as it enters these mediums?
a)
continue its path as straight line.
b)
bends toward the normal
c)
bends away from the normal
d)
reflects
19.
This image is...
a)
Inverted and smaller
b)
inverted and bigger
c)
not inverted and smaller
d)
not inverted and bigger
20.
An object of height 4 cm is placed 10 cm away from a concave lens of focal length 6 cm as shown below.Image is 
a)
virtual.inverted
b)
virtual,upright
c)
real,inverted
d)
real,upright
21.
Which is the angle of refraction?
a)
Angle 1
b)
Angle 2
22.
Glass has a _____________ index of refraction than air.
a)
Equal
b)
Greater
c)
Less
d)
Impossible to say
23.
Fiber optic cables work because light
a)
cannot exist inside a fiber creating a vacuum
b)
reflects away and lights up everything
c)
stands still when inside a very dense fiber
d)
cannot escape because of total interanl reflection
24.
Which of the following is true about the index of refraction
a)
It is always equal to 1 or less than one
b)
It is always equal to 1 or greater than one
c)
It can only be a whole number
d)
it is equal to the speed of light in that medium equal to the speed of light in a vacuum
25.
Which of the following is NOT true about the speed of light
a)
Can be greater than 3x108 m/s
b)
decreases in more optically dense material
c)
is equal to 3x108 m/s in a vacuum
d)
Can never be greater than 3x108 m/s
26.
a light beam bouncing off a mirror is
a)
diffused reflection
b)
specular reflection
c)
refraction
d)
total internal reflection
27.
a light beam from a flashlight reflecting off a sheet of notebook paper
a)
diffused reflection
b)
specular reflection
c)
refraction
d)
total internal reflection
28.
In the index of refraction is equal to 1.75, what is the speed of light in that material
a)
1.71x108m/s
b)
5.25x108 m/s
c)
3x108 m/s
d)
343 m/s
29.
Light passes from air into another medium at an angle of 25 degrees to the normal. If the angle or refraction is 15 degrees, what is the index of refraction of the new medium?
a)
0.203
b)
4.9
c)
1.63
d)
0.61
30.
A virtual image formed by a single lens will always be
a)
enlarged
b)
inverted
c)
upright
d)
reduced
31.
A real image formed by a single lens will always be
a)
enlarged
b)
inverted
c)
upright
d)
reduced
32.
Which of the following needs to be true for there is be total internal reflection of light
a)
the index of the incident material is greater than the index for the refracting material
b)
the angle of incidence is greater than the critical angle
c)
the optical density of the refracting material is less than that of the indicent material
d)
all the options are true
33.
The speed of light in some transparent material is 2.1x108 m/s. What is the index of refraction for the material.
a)
1.43
b)
0.70
c)
1.43x1016m/s
d)
7x107 m/s
34.
what does the variable "c" stand for
a)
the speed of light in a vacuum
b)
the speed of light in some transparent material
c)
the index of refraction
d)
focal length
35.
what does the variable "v" stand for
a)
the speed of light in a vacuum
b)
the speed of light in some transparent material
c)
the index of refraction
d)
focal length
36.
what does the variable "n" stand for
a)
the speed of light in a vacuum
b)
the speed of light in some transparent material
c)
the index of refraction
d)
focal length
37.
which of the following best describes a convex lens
a)
thicker in the middle than the edges
b)
curved in like a bowl
c)
edges are curved toward the observer
d)
thinner in the middle than the edges
38.
If an object is located 15 cm from the convex lens and the focal point is also at 15 cm, what kind of image is formed?
a)
Real
b)
Virtual
c)
No image
39.
An image is located at 5 cm from the convex lens and the focal length is 3 cm. Where is the object located?
a)
3/15 cm
b)
2/15 cm
c)
5 cm
d)
7.5 cm
40.
If the angle of incidence of light traveling through air, and then striking water is 35 degrees what is the angle of refraction? (n=1 air, n= 1.53 water)
a)
.57 degrees
b)
22 degrees
c)
.006 degrees
d)
61 degrees
41.
The bending of light by a lens is a result of — refraction: What is the index of refraction of a refractive liquid if the angle of incidence in the air (ni= 1.00) is 65 degrees and the angle of refraction is 25 degrees?
a)
nr= .423
b)
nr= .906
c)
nr= 2.14
d)
nr= 1.53
42.
In what medium does light travel the fastest?
a)
vacuum
b)
air
c)
water
d)
glass
43.
In what medium does light travel the slowest?
a)
glass
b)
air
c)
water
d)
vacuum
44.

The diagram represents a light ray striking the boundary between air and water. What would the angle between this light and it reflected ray?

a)

55

b)

35

c)

110

d)

70

45.

Which statement about the light rays in the figure is true?

a)

the light originates from the eyes

b)

the light originates from the singer's image

c)

the light originates from the singer

d)

The light originates from a luminous source, such as a lamp or the Sun, and reflects off the singer

46.

When will a convex lens produce an enlarged virtual image?

a)

when the object is between f and 2f

b)

when the object is at the focal length

c)

when the object is less than a focal length away from the lens

d)

when the object is greater than 2f away from the lens

47.

When will a convex lens produce an enlarged real image?

a)

when the object is between f and 2f

b)

when the object is at the focal length

c)

when the object is less than a focal length away from the lens

d)

when the object is greater than 2f away from the lens

48.

When will a convex lens produce an reduced real image?

a)

when the object is between f and 2f

b)

when the object is at the focal length

c)

when the object is less than a focal length away from the lens

d)

when the object is greater than 2f away from the lens

49.

When will a convex lens produce a image that is the same size as the object?

a)

when the object is between f and 2f

b)

when the object is at the focal length

c)

when the object is less than a focal length away from the lens

d)

when the object is greater than 2f away from the lens

e)

at 2f

50.

When will a convex lens not produce an image

a)

when the object is between f and 2f

b)

when the object is at the focal length

c)

when the object is less than a focal length away from the lens

d)

when the object is greater than 2f away from the lens

51.
How does light travel? 
a)
in longitudinal waves
b)
in transverse waves
c)
in a zig zag line
d)
back and forth
52.
Light waves need matter to travel.
a)
True
b)
False
53.
Why do we see objects as white?
a)
They absorb all light
b)
They reflect all light
c)
They absorb some light and reflect some light
54.
Which of the following electromagnetic waves has the lowest energy?
a)
gamma ray
b)
infrared wave
c)
visible light wave
d)
microwave
55.
Which of the following electromagnetic waves is given off as heat? 
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
56.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
57.
Select the correct order of waves on the EMS 
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
58.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
59.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
60.
What are the 3 primary colors?
a)
red, green, blue
b)
yellow, orange, violet
c)
red, black, green
d)
magenta, cyan, indigo
61.
What happens to blue light when it hits a shirt that appears blue?
a)
The light is reflected.
b)
The light is absorbed.
c)
The light is refracted.
d)
The light is blocked.
62.
Why do we see objects as black?
a)
They absorb all the light
b)
They reflect all the light
c)
They absorb some light and reflect 
63.
Light behaves like a 
a)
particle
b)
wave
c)
particle and wave
64.
Cyan light is a mix of
a)
blue and yellow
b)
green and yellow
c)
blue and green
d)
red and blue
65.
Yellow light is a mix of
a)
blue and red
b)
green and magneta
c)
blue and green
d)
red and green
66.
Magenta light is a mix of
a)
blue and red
b)
green and cyan
c)
blue and green
d)
red and green
67.
What type polarization light comes of glare from horizontal surface?
a)
Horizontal
b)
Vertical
c)
None
d)
All
68.
What are types lenses make 3D glasses?
a)
Two Horizontal Polarized
b)
Two Vertical Polarized
c)
One Horizontal Polarized
&
One Vertical Polarized
69.
A double slit investigation is performed to measure the wavelength of blue light. The slits are 0.015mm apart. A screen is placed 0.8m away and the third order bright band is 7.2mm from the central band. What is the wavelength of blue light?
a)
4.50x10-7m
b)
5.40x10-7m
c)
6.70x10-7m
d)
7.600x10-7m
70.
Electromagnetic waves are 
a)
are produced by vibrating charges
b)
all travel at the same speed in a vacuum
c)
are electric field lines and magnetic field lines oscillating together.
d)
all options are correct
71.
Red light plus ______light combine to make white light
a)
yellow
b)
cyan
c)
magenta
d)
blue
72.
Blue light plus ______light combine to make white light
a)
yellow
b)
cyan
c)
magenta
d)
Red
73.
Green light light plus ______light combine to make white light
a)
yellow
b)
cyan
c)
magenta
d)
Red
74.

If polarized filters have their axis oriented at 180 degree (parallel) to each other then

a)

They will block half the light

b)

They will block all the light

c)

They will block a quarter of the light

d)

They will block no light

75.

If polarized filters have their axis oriented at 90 degree (perpendicular) to each other then

a)

They will block half the light

b)

They will block all the light

c)

They will block a quarter of the light

d)

They will block no light

76.
Which of the following is the best description of polarization
a)
light waves oriented all in one plane
b)
light waves bending as they pass through small openings
c)
light waves changing speed and wavelength when entering a new medium
d)
light waves changing color due to the motion of the object
77.
Which of the following is the best description of diffraction
a)
light waves oriented all in one plane
b)
light waves bending as they pass through small openings
c)
light waves changing speed and wavelength when entering a new medium
d)
light waves changing color due to the motion of the object
78.
What is the frequency of the light wave traveling through a vacuum if the wavelength is 7.3x10-5m?
a)
4.11x1012 Hz
b)
2.43x1013Hz
c)
400x10-9 Hz
d)
700x10-7 Hz
79.
Which of the following is a coherent source of light
a)
a incandescent bulb
b)
a fluorescent bulb
c)
a red laser
d)
a uv lamp
80.
how do radio waves and gamma rays compare in a vacuum
a)
radio waves are faster
b)
gamma rays are faster
c)
they are the same speed
81.
When you increase the distance between the openings with diffraction, then the distance between the maximums will 
a)
increase
b)
decrease
c)
stay the same
82.
When light has the same frequency, wavelength, phase and direction it is called
a)
coherent light
b)
polarized
c)
diffracted
d)
refracted
83.

Which of the following is the symbol for the wavelength

a)

d

b)

L

c)

λ

d)

x

84.

Which of the following is the symbol for the distance between the screen and the slits

a)

d

b)

L

c)

λ

d)

x

85.

Symbol for the distance between the two slits

a)

d

b)

L

c)

λ

d)

x

86.

which of the following represents the distance between the central bright band and the first bright band

a)

d

b)

L

c)

λ

d)

x

87.

Select all that are correct for Coherent light have the same (Ex: LASER)

a)

frequency

b)

wavelength

c)

phase

d)

direction

88.

Check all that apply If the distance between the slits in Young's double slit experiment increases (d increases), which of the following statements is true of the interference pattern? (what happens to x)

a)

the distance between bright fringes stays the same

b)

the distance between the bright fringes increases

c)

the distance between the bright fringes decreases

d)

the distance between the dark fringes decreases

Similar Resources on Wayground

G11 Chapter 11+12 Multiple choice

85 questions

G11 Chapter 11+12 Multiple choice

quiz

Worksheet

•

11th Grade

Waves in the string

92 questions

Waves in the string

quiz

Worksheet

•

11th Grade

Unit 1: Kinematics Vocab

88 questions

Unit 1: Kinematics Vocab

quiz

Worksheet

•

12th Grade

CSEC Physics - 10 Graphs

86 questions

CSEC Physics - 10 Graphs

quiz

Worksheet

•

11th - 12th Grade

Physics Final Review Semester 2

84 questions

Physics Final Review Semester 2

quiz

Worksheet

•

9th - 12th Grade

Physics Exam Review

90 questions

Physics Exam Review

quiz

Worksheet

•

9th - 12th Grade

AP Physics 2 Midterm Review

88 questions

AP Physics 2 Midterm Review

quiz

Worksheet

•

12th Grade

Electricity & Magnetism Basics

88 questions

Electricity & Magnetism Basics

quiz

Worksheet

•

11th - 12th Grade