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Wave and Optics Exam Part 1

Total questions: 100

Worksheet time: 50mins

Name
Class
Date
1.

What is the SI unit for Frequency?

a)

1/sec

b)

meters

c)

Joules

d)

Hertz

2.

What does the frequency of a wave determine?

a)

The pitch of a sound

b)

how loud the sound is

c)

how fast the sound travels

d)

the magnitude of the compression

3.

When waves come together to for a larger wave for a brief period of time

a)

additive waves

b)

constructive waves

c)

subtractive waves

d)

destructive waves

4.

When a wave bounces off the surface of something it can not pass through

a)

diffraction

b)

reflection

c)

refraction

d)

interference

5.

When an object looks bent when it goes from one medium to another, it is called ..

a)

refraction

b)

diffraction

c)

reflection

d)

interference

6.

Sound travels fast in ..

a)

warmer temperatures

b)

colder temperatures

c)

solids and liquids

d)

gasses

7.

What is the sound range that humans can hear?

a)

audible

b)

supersonic

c)

ultrasonic

d)

echolocation

8.

What color has the longest wavelength?

a)

orange

b)

green

c)

purple

d)

blue

9.

What letter represents a crest?

a)

A

b)

B

c)

C

d)

D

10.

What letter represents a wave amplitude?

a)

A

b)

B

c)

C

d)

D

11.

Which wave represents a longitudinal wave?

a)
b)
12.

What type of image does a flat mirror show?

a)

same size, virtual image

b)

smaller, real image

c)

smaller, virtual image

d)

larger, real image

13.

Do we measure the angle of incidence from the normal, or from the mirror?

a)

The mirror

b)

the normal

14.

What does a convex lens produce?

a)

both real and virtual, both upright and inverted images

b)

virtual, upright images

c)

real and inverted images

d)

real and upright imaes

15.

What does a convex mirror produce?

a)

virtual upright images

b)

real, upright images

c)

virtual, inverted images

d)

real, inverted images

16.

What is the law of reflection state?

a)

An angle bounces off at the same angle it hits at

b)

an angle bounces off 30 degrees different from where it hits

c)

An angle does not bounce off of anything

17.
What is the angle of reflection if the incident angle is 35o?
a)
55o
b)
25o
c)
350
d)
90o
18.
What is common with all electromagnetic and mechanical waves?
a)
They travel at the same speed
b)
They transfer energy
c)
They are all longitudinal waves
d)
They are all transverse waves
19.
The energy of a water wave is most closely related to its
a)
frequency
b)
period
c)
wavelength
d)
amplitude
20.
Sound is an example of a 
a)
transverse wave
b)
longitudinal wave
c)
focal wave
d)
electromagnetic wave
21.
Unlike mechanical waves, EM waves can travel through
a)
a vacuum
b)
water
c)
the ground
d)
air
22.
Which of the technologies listed have the highest frequencies?
a)
AM radio
b)
CB radio
c)
FM radio
d)
TV channels 2-6
23.
According to the Law of reflection, a light ray striking a mirrow
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror a the same angle it hits.
24.

The height of a wave from the undisturbed state is called

a)

frequency

b)

amplitude

c)

period

d)

crest

25.

Which type of light has the shortest wavelength?

a)

Radio

b)

Gamma

c)

Infrared

d)

Visible

26.

The index of refraction is wavelength dependent.

a)

True

b)

False

27.

Which type of lens is this?

a)

concave

b)

convex

c)

opaque

d)

plano

28.

Which type of lens is this?

a)

concave

b)

convex

c)

opaque

d)

plano

29.

this is an example of

a)

refraction

b)

diffraction

c)

infraction

d)

reflection

30.

What does a convex lens do to a light ray?

a)

diverges

b)

converges

c)

implodes

d)

merges

31.

What type of image does this lens form?

a)

Virtual image

b)

Real Image

c)

No Image

d)

real and virtual

32.
A pencil appearing to bend when it is immersed in a glass of water is an example of...
a)
Reflection
b)
Rarefaction
c)
Refraction
d)
Reconstruction
33.

In what type of wave do the particles in the medium move PERPENDICULAR to the wave itself?

a)

Longitudinal Wave

b)

Transverse Wave

c)

Sound Waves

d)

Gravitational Waves

34.

Which of the following is an example of a physical (aka mechanical) wave?

a)

Sound Waves

b)

X-Rays

c)

radio waves

d)

gravitational waves

35.

In the diagram, what does the arrow labeled D indicate?

a)

crest

b)

trough

c)

wavelength

d)

amplitude

36.

In the diagram, what does the arrow labeled E indicate?

a)

crest

b)

trough

c)

wavelength

d)

amplitude

37.

In a longitudinal wave, the region in which the particles of the medium are more spread out is called a...

a)

crest

b)

trough

c)

compression

d)

rarefaction

38.

Which of following properties of a wave can NOT be changed by the source because it depends on the medium of the wave?

a)

amplitude

b)

wave speed

c)

frequency

d)

wavelength

39.

If it takes a waves 2.0 s to travel a distance of 10 meters, what is the wave speed?

a)

0.2 m/s

b)

5 m/s

c)

12 m/s

d)

20 m/s

40.

If a wave is traveling at 15 m/s and has a frequency of 5.0 Hz, what is its wavelength?

a)

0.33 m

b)

3 m

c)

20 m

d)

75 m

41.

In the diagram shown, light is traveling toward a mirror and reflecting off of it. The angle labeled as A is known as the...

a)

angle of incidence

b)

angle of reflection

c)

angle of refraction

d)

normal angle

42.

LIGHT IS A FORM OF

a)

SOUND

b)

ENERGY

c)

ILLUSIONS

d)

MOVEMENT

43.

LIGHT WAVES TRAVEL IN...

a)

ZIG ZAG LINES

b)

LOOP-DE-LOOPS

c)

WAVY LINES

d)

STRAIGHT LIGHTS

44.

THE DISTANCE BETWEEN 2 CRESTS OR 2 TROUGHS IS CALLED...

a)

GAP

b)

WAVE SET

c)

BIG OLE GAPS

d)

WAVELENGTHS

45.

LIGHT WAVE LENGTHS AND FREQUENCIES ARE SHOWN ON THE...

a)

ELECTROMAGNETIC SPECTRUM

b)

EVAPORATED WAVE SPECTRUM

c)

ELEVATED FREQUENCY SPECTRUM

d)

ECCENTRIC LENGTH SPECTRUM

46.

WHICH BEHAVIOUR OF LIGHT IS THE REASON WE CAN SEE ANYTHING?

a)

REFLECTION

b)

REFRACTION

c)

ABSORPTION

d)

TRANSMISSION

47.

DOES LIGHT REFLECT MORE OFF OF LIGHT COLOURED OR DARK COLOURED SURFACES

a)

LIGHT COLOURED

b)

DARK COLOURED

48.

TRUE OR FALSE: LIGHT BEHAVES RANDOMLY AND UNPREDICTABLY

a)

TRUE

b)

FALSE

49.
What kind of wave is this?
a)
Transverse Wave
b)
Longitudinal Wave
50.
What kind of wave is this?
a)
Transverse
b)
Longitudinal
51.
What kind of wave is this?
a)
Transverse
b)
Longitudinal
52.
A sound wave moving through the air is what kind of wave?
a)
a Longitudinal
b)
water wave
c)
a transverse wave
d)
hand wave
53.
What is frequency?
a)
waves
b)
distance between equilibrium to crest
c)
hand motion
d)
The number of wave cycles completed in one second
54.
Mechanical waves need a _______ to travel through.
a)
Medium
b)
Vacuum
c)
Plane
d)
Force
55.
What type of medium do earthquakes travel through?
a)
water
b)
air
c)
bubbles
d)
the ground
56.
What is transferred by the movement of waves?
a)
Matter
b)
Energy
c)
Nothing
d)
Water
57.
What type of wave MUST have matter to travel through?
a)
X-Ray
b)
Electromagnetic
c)
Mechanical
d)
Radient
58.

What type of wave does NOT need matter to travel through?

a)

Mechanical

b)

Transverse

c)

Sound

d)

Electromagnetic

59.
In which type of wave does the matter move at right a right angle (or opposite) to the direction of the wave?
a)
Mechanical
b)
Transverse
c)
Sound
d)
Compressional
60.
What is the low point in a transverse wave called?
a)
Peak
b)
Wavelength
c)
Trough
d)
Rarefaction
61.
Which line represents the wavelength in the diagram?
a)
Between lines B and F
b)
D
c)
Between lines E and G
d)
A
62.
Which line represents the amplitude of the wave?
a)
A
b)
H
c)
From B to the resting point of the wave
d)
From E to G
63.
Sound travels fastest through
a)
solids
b)
liquids
c)
gases
d)
empty space
64.
Material in which a mechanical wave travels through
a)
medium 
b)
vacuum 
c)
black holes
d)
chocolate
65.
The highest point of a wave is called the ?
a)
crest
b)
trough
c)
wavelength
d)
frequency
66.
What is the measure of how many waves pass a point in a second?
a)
frequency
b)
wavelength
c)
midpoint
d)
crest and trough
67.
A compression wave is another name for a 
a)
longitudinal wave
b)
electromagnetic wave
c)
radio wave
d)
hair wave
68.
In a longitudinal wave, the particles move...?
a)
back and forth
b)
up and down
c)
not at all
d)
at a 90 degree angle
69.
Amplitude is a measure of how much _________ the wave is carrying
a)
energy
b)
matter
c)
medium
d)
frequency
70.
_____________________ is the distance between a point on one wave and the identical point of the next wave.
a)
Amplitude
b)
Wavelength
c)
Frequency
d)
Crest
71.
The longer the _____________  the ______________ the frequency.
a)
wavelength, lower
b)
wavelength, higher
c)
amplitude, lower
d)
amplitude, higher
72.
Which wave has a greater frequency?
a)
A
b)
B
73.
When a wave's amplitude increases it means
a)
it's carrying more energy
b)
its wavelength gets longer
c)
its frequency increases
d)
its wavelength decreases
74.
What is the distance from point D to H called?
a)
Crest
b)
Amplitude
c)
Wavelength
d)
Frequency
75.
A student placed a pencil in a cup of water.  The pencil appears broken because light-
a)
always travels in a straight line
b)
bends when it passes through water
c)
makes the water in the glass evaporate
d)
reflects the pencil on the water's surface
76.
a)
Reflection
b)
Refraction
77.

A lens that is thinner in the middle than on the outside is called ___.

a)

diverging

b)

concave

c)

convex

d)

achromatic

78.

EM waves can travel through a vacuum at ______

a)

decreasing speed

b)

increasing speed

c)

different speed

d)

same speed

79.

The only visible EM wave to human eyes

a)

infrared

b)

light waves

c)

radio waves

d)

uv rays

80.

Portion of EM spectrum with the shortest wavelength has

a)

low energy

b)

low frequency

c)

high frequency

81.

It is basic to almost all life on Earth.

(a)  

82.

It represents energy transfer from the source to the observer.

(a)  

83.

The fundamental phenomena in ray (geometric) optics.

(a)  

84.

It is is the basis for fiber optics.

(a)  

85.

He is the chief architect of the particle theory of light.

(a)  

86.

He argued that light might be some sort of a wave motion.

(a)  

87.

He provided the first clear demonstration of the wave nature of light.

(a)  

88.

He showed that light rays interfere with each other.

(a)  

89.

He is known for his contributions to the field of optics and dynamics

(a)  

90.

He provided evidence that light rays interfere with one another according to the principle of superposition.

(a)  

91.

He asserted that light was a form of high-frequency electromagnetic wave.

(a)  

92.

He proposed an explanation of the photoelectric effect that used the idea of quantization.

(a)  

93.

It exhibits the characteristics of a wave in some situations and the characteristics of a particle in other situations.

(a)  

94.

He tried to measure the speed of light by using two observers separated by about 10 km.

(a)  

95.

He used astronomical observations to estimate the speed of light.

(a)  

96.

The first successful method for measuring the speed of light by means of a purely terrestrial technique.

(a)  

97.

It involves the study of the propagation of light.

(a)  

98.

It assumes that a wave moving through a medium travels in a straight line in the direction of its rays.

(a)  

99.

It is good for the study of mirrors, lenses, prisms, etc.

(a)  

100.

It uses the assumption that light travels in a straight-line path in a uniform medium and changes its direction when it meets the surface of a different medium or if the optical properties of the medium are nonuniform.

(a)  

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