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Worksheets

Waves 6 weeks Exam

Total questions: 89

Worksheet time: 22hrs 15mins

Name
Class
Date
1.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
2.
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
3.

The diagram shows a series of wave fronts approaching an opening in a barrier. Point P is located on the opposite side of the barrier. The wave fronts reach point P as a result of

a)

resonance

b)

refraction

c)

reflection

d)

diffraction

4.

When 2 waves meet and create a bigger wave

a)

Constructive Interference

b)

Destructive Interference

5.

When two waves meet and create a smaller wave

a)

Constructive

b)

Destructive

6.

What will be the result after these two waves overlap?

a)

A taller wave

b)

A shorter wave

c)

A wave with no amplitude

d)

3 waves

7.

Two wave pulses with equal positive amplitudes travel on a cord approaching each other. What is the result of the oscillations when the pulses reach the same point?

a)

It is constructive interference with twice the amplitude

b)

It is destructive interference with zero amplitude

c)

It is constructive interference with slightly greater amplitude

d)

It is constructive interference with the negative amplitude

e)

The standing wave is produced

8.

The sonar device on a fishing boat uses underwater sound to locate fish. Would you expect sonar to be a longitudinal or a transverse wave?

a)

Longitudinal

b)

Transverse

c)

Surface

d)

Electromagnetic

9.

Letter A is the

a)

wavelength

b)

crest

c)

compression

d)

amplitude

10.

What letter represents the amplitude?

a)

D

b)

B

c)

E

d)

C

11.

A tennis coach paces back and forth along the sideline 10 times in 2 minutes (convert) . The frequency of her pacing is (a)   Hz (3 decimal places)

12.

If the crest of an ocean wave moves a distance of 20 meters in 10 seconds, then the speed of the ocean wave is?

a)

10 m/s

b)

2 m/s

c)

5 m/s

d)

0 m/s

13.

Why is it that we can see the Moon?

a)

it is luminous

b)

it is illuminous

c)

it is in space

d)

it is close to the Earth

14.
The wave-particle duality of light describes light as...
a)
a wave only
b)
a particle only
c)
both a wave and a particle
d)
neither a wave nor a particle
15.

Which of the following electromagnetic waves travels the fastest?

a)

gamma rays

b)

radio waves

c)

ultraviolet waves

d)

they all travel the same speed

16.

As one approaches (gets closer) to a light bulb, the brightness of the bulb....

a)

Increases (brighter)

b)

Decreases

c)

Stays the same

d)

Changes in some unknown way

17.

A student stands 10 feet away from a light bulb. The student walks toward the light bulb to a 5 feet distance. Which is true? Intensity = 1 / d2

a)

The bulb appears 2x's brighter

b)

The bulb appears 4x's brighter

c)

The bulb appears 5x's brighter

d)

The bulb appears 25x's brighter

18.
Which portion of the electromagnetic spectrum includes the entire range of light that can be detected by the human eye? 
a)
ultraviolet light
b)
visible light
c)
infrared light
d)
x-rays
19.
What particles make up light?
a)
Photons
b)
Neutrons
c)
Protons
20.

Standing waves are created by

a)

Two identical waves reflecting off each other

b)

Two identical waves being diffracted together

c)

Two identical waves move through each other in opposite directions

d)

Two identical waves are diffracted from two identical sources

21.
A wave that requires a medium through which to travel
a)
mechanical wave
b)
chemical wave
c)
electromagnetic wave
d)
pitch
22.
How high or low a sound is; depends on the frequency (greater frequency= higher pitch)
a)
pitch
b)
frequency
c)
sound
d)
medium
23.
Which of the following would you hear as a low pitched sound? 
a)
sound wave with a frequency of 50 Hz
b)
sound wave with frequency of 10,000 Hz
c)
sound wave with an intensity of 10 dB
d)
sound wave with an intensity of 100 dB
24.

Amplitude affects which characteristic of sound waves?

a)

frequency

b)

pitch

c)

loudness

d)

wave speed

25.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
26.
A reflected sound wave
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
27.
Bending of waves around an object (such as through a doorway)
a)
sound
b)
diffract
c)
pitch
d)
volume
28.

The number of cycles that are completed per second is called the ________ and is measured in _________.

a)

frequency, Hertz

b)

wavelength, meters

c)

amplitude, meters

d)

period, seconds

29.

A wave has a speed of 24 m/s and a wavelength of 0.04 m. What is the frequency of the wave?

a)

600 Hz

b)

600 m/s

c)

0.096 Hz

d)

0.04 Hz

30.
What occurs when vibrations traveling through an object match the object's natural frequency?
a)
reflection
b)
diffraction
c)
resonance
d)
refraction
31.
When two objects vibrate at the same frequency it is called.....
a)
Diffraction
b)
Reflection
c)
Refraction
d)
Resonance
32.

Light travels in a _________ path.

a)

circular

b)

straight

c)

curved

33.

Objects that can be seen due to light reflecting from them are called

a)

Luminous flux

b)

Luminous sources

c)

Illumminate sources

d)

Power sources

34.

Objects that absorb and reflect light but do not transmit it are

a)

transparent

b)

translucent

c)

opaque

d)

luminous

35.
What is the incident ray?
a)
The ray of light leaving the mirror
b)
The ray of light approaching the mirror
36.

The picture shows which type of reflection?

a)

Specular Reflection

b)

Optical Reflection

c)

Diffuse Reflection

d)

Scatter Reflection

37.

The angle between the incident ray and the normal. (X on the diagram) is called the:

a)

Angle of Optic Sight

b)

Angle of Reflection

c)

Angle of Incidence

d)

Angle of Normal

38.

The angle between the reflected ray and the normal (labelled Y on the diagram) is called the:

a)

Angle of Incidence

b)

Angle of Reflection

c)

Angle of Normal

d)

Angle of Optic Sight

39.

An imaginary line that is drawn at a right angle (90 degrees) to a mirror (Green line) is called the:

a)

Reflected Ray

b)

Normal

c)

Incident Ray

d)

Perpendicular Ray

40.

When light reflects off of a completely smooth surface it is called:

a)

Diffuse Reflection

b)

Optical Reflection

c)

Smooth Reflection

d)

Specular Reflection

41.

An object that gives off it's own light is called?

a)

luminous

b)

illuminated

c)

electricity

d)

Planck's Paradox

42.
What type of waves does light travel in?
a)
transverse
b)
compression
c)
high and low waves
d)
waves like the ocean
43.
The full spectrum of light energy is called the__________
a)
broad spectrum
b)
electromagnetic spectrum
c)
helium spectrum 
d)
natural light spectrum
44.

Refraction occurs due to _____________

a)

the change in the wave's speed when it enters a new medium

b)

the wave bouncing off a boundary

c)

the change in the wave's frequency when it enters a new medium

d)

the wave bending around a barrier

45.

The law of reflection states that

a)

the angle of reflection is equal to the angle of incidence

b)

the angle of reflection is greater than the angle of incidence

c)

the image is laterally inverted

d)

the image must be upright and the same size as the object

46.
Light waves with the shortest wavelengths of all are called ___
a)
ultraviolet light
b)
microwaves
c)
x-rays
d)
gamma rays
47.
Light with the longest wavelengths of all are called ___
a)
gamma rays
b)
x-rays
c)
microwaves
d)
radio waves
48.

How are we able to see the color white?

a)

All colors except red are absorbed

b)

All colors are absorbed

c)

All colors are reflected

d)

All colors except red are reflected

49.

A blue dish appears blue because it

a)

absorbs blue light

b)

absorbs white light

c)

reflects white light

d)

reflects blue light

50.

Which of the following represents a diverging light rays?

a)
b)
c)
d)
51.

It is difficult to see the roadway from a car on a rainy night because the road surface

a)

that is normally a diffuse reflector when dry becomes a mirror surface when wet.

b)

absorbs the light more when wet.

c)

is obscured by the rain itself.

d)

scatters light in all directions.

52.

Which word means to bend light rays toward each other?

a)

Converging light

b)

Diverging light

c)

Virtual Light

d)

Real Light

53.

A dentist uses a small dental mirror to help magnify teeth in your mouth. What type of mirror is this?

a)

a convex mirror

b)

a concave mirror

c)

a plane mirror

d)

a concave lens

54.
Blurs light as it passes through
a)
Transparent
b)
Translucent
c)
Opaque
d)
Refraction
55.

The speed of light in a vacuum, that can be used to determine distance of objects in space

a)

three hundred million meters per second

b)

three hundred thousand meters per second

c)

three hundred meters per second

d)

three meters per second

56.

The intensity of light can increase if

a)

the distance from the light source gets larger

b)

The distance from the light source gets smaller

c)

it does not change, it is always the same

d)

the distance stays the same, but the height changes

57.

When a light ray vibrates at the same frequency as an objects natural frequency what occurs?

a)

Resonance

b)

Reflection

c)

Refraction

d)

Retraction

58.

The production of light with a specific pattern of oscillation.

a)

reflection

b)

polarization

c)

refraction

d)

diffraction

59.

A polarizer is used to:

a)

reduce intensity of light

b)

produce polarized light

c)

increase intensity of light

d)

produce unpolarized light

60.

light waves can be polarized as they are:

a)

transverse

b)

of high frequency

c)

longitudinal

d)

reflected

61.

Approximately how much light is blocked by two polarizing filters that are perpendicular to each other?

a)

0%

b)

50%

c)

75%

d)

100%

62.

Approximately how much light is blocked by two polarizing filters that are parallel to each other?

a)

0%

b)

50%

c)

75%

d)

100%

63.

What's polarization of waves?

a)

Restriction of the direction of oscillation of a transverse wave to only one plane.

b)

Restriction of the direction of oscillation of a longitudinal wave to only one plane.

c)

Restriction of the direction of oscillation of a transverse wave to just two planes.

d)

Restriction of the direction of oscillation of a wave into positive and negative fields

64.

What is the difference between light that is polarized and light that is not?

a)

polarized light vibrates along multiple planes; unpolarized light vibrates along a single plane

b)

there is no difference

c)

polarized light vibrates along a single plane; unpolarized light vibrates along multiple planes

65.

What does a wave carry from place to place?

a)

energy

b)

matter

c)

people

66.
a)

transverse

b)

longitudinal

c)

surface

d)

electromagnetic

67.
a)

transverse

b)

longitudinal

c)

surface

d)

electromagnetic

68.
All waves carry
a)
sound
b)
light
c)
water
d)
energy
e)

matter

69.

The point at which a medium would be at rest, if there were no disturbance is

a)
crest
b)
trough
c)
line of equilibrium
d)
wavelength
e)

amplitude

70.

The type of wave in which the medium moves at a right angle, perpendicular, to the wave motion is

a)
transverse
b)
longitudinal
c)
electromagnetic
d)
timbre
e)

seismic

71.
When a wave bounces off of a surface, the behavior is called
a)
rectilinear propagation
b)
reflection
c)
refraction
d)
diffraction
e)

resonance

72.
When a wave bends around a barrier, the behavior is called
a)
rectilinear propagation
b)
reflection
c)
refraction
d)
diffraction
e)

resonance

73.
When a wave bends as a result of entering a new medium, the behavior is called
a)
rectilinear propagation
b)
reflection
c)
refraction
d)
diffraction
e)

resonance

74.
When an ambulance goes by, the siren sounds high as it approaches and deep as it goes away.  This is the
a)
Resonant effect
b)
Supersonic effect
c)
Ultrasonic effect
d)
Doppler effect
75.
If something is made to vibrate at its natural frequency, it is called
a)
the Dopper effect
b)
Rarefaction
c)
Resonance
d)
Reflection
76.
Which of the following is caused by diffraction?
a)
an echo
b)
a rainbow
c)
being able to hear a sound around the corner
d)
all of these
77.
Which of the following is caused by reflection?
a)
an echo
b)
a rainbow
c)
being able to hear a sound around the corner
d)
all of these
78.
Sound waves are
a)
transverse waves
b)
longitudinal waves
c)
electromagnetic waves
d)
not waves
79.

A wave that completes 7 cycles in 4 seconds would have a frequency of?

a)

2.33 Hz

b)

1.75 Hz

c)

28 Hz

d)

.57 Hz

80.

A wave has a period of 10 s and a wavelength of 2 m, what is the velocity/speed of the wave?

a)

20 m/s

b)

.2 m/s

c)

5 m/s

d)

4 m/s

81.

Two sound waves are traveling through air on has a frequency of 380 Hz and the other has a frequency of 180 Hz, which is traveling slower?

a)

380 Hz

b)

180 Hz

c)

the same speed

d)

not enough information

82.

The diagram represents a rope along which two pulses of equal amplitude, A=4 m, approach point P.

As the two pulses pass through point P, what is the maximum vertical displacement of the rope at point P?

a)

8 m

b)

2 m

c)

4 m

d)

0 m

e)

1 m

83.

What type of interference do noise cancelling headphones use?

a)

constructive Interference

b)

destructive Interference

c)

doppler effect

d)

resonance

84.

amplitude is measured in?

a)

meters

b)

seconds

c)

ml

d)

Hz

e)

pressure

85.
A tuning fork starts to vibrate when a certain note is played on the piano, This is an example of _______.
a)
resonance
b)
refraction
c)
diffraction
d)
reflection
86.

A sound wave traveling at 343 m/s has a frequency of 262 Hz. What is the wave length?

a)

1.31 m

b)

81 m

c)

124,509 m

d)

.76 m

87.

Waht is the speed of sound in space?

a)

0 m/s

b)

343 m/s

c)

1500 m/s

d)

767 m/s

88.

A police siren is traveling away from you at 29 m/s blaring the siren at 411 HZ. Which of the following frequencies of sound would most likely be heard?

a)

450 Hz

b)

411 Hz

c)

382 Hz

d)

10,000 Hz

e)

10 Hz

89.

Look at the picture. What property allows Jack to hear Jill on the other side of the door?

a)

Reflection

b)

Refraction

c)

Diffraction