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waves hook's and thermal

Total questions: 120

Worksheet time: 2hrs 28mins

Name
Class
Date
1.

How is frequency related to wavelength?

a)

directly

b)

inversely

c)

unrelated

2.

How is frequency related to period?

a)

directly

b)

inversely

c)

unrealted

3.

How is period related to frequency?

a)

directly

b)

inversely

c)

unrelated

4.

When the wavelength increases what happens to the period?

a)

it increases

b)

it decreases

c)

it remains the same

5.

When the period increases what happens to the wavelength?

a)

it increases

b)

it decreases

c)

it remains unchanged

6.

What happens to the period as the sound wave travels through the medium?

a)

it increases

b)

it decreases

c)

it remains unchanged

7.

What happens to the frequency as a sound wave travels through the medium?

a)

it increases

b)

it decreases

c)

it remains unchanged

8.

What term describes the number of cycles that an acoustic variable completes in a second?

a)

frequency

b)

wavelength

c)

period

d)

amplitude

9.

Which of these waves has the longest period?

a)

2MHz

b)

50kHz

c)

1kHz

d)

4,000Hz

10.

Which unit corresponds to frequency?

a)

millimeters

b)

hertz

c)

microsecond

d)

centimeters squared

11.

Which unit corresponds to power?

a)

watts/cm squared

b)

hertz

c)

pascals

d)

watts

12.

Which of the following is true for sound waves?

a)

They require a medium.

b)

They are unrelated to vibrations.

c)

They cannot travel through liquids

d)

They can travel in a vacuum

13.

How do electromagnetic and mechanical waves compare?

a)

Mechanical waves can only travel through a vacuum, but electromagnetic waves can travel through a solid, liquid, or gas.

b)

Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a gas.

c)

Mechanical waves can only travel through a solid, liquid, or gas, but electromagnetic waves can travel through a vacuum.

d)

Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a solid.

14.

A student asks a series of questions about a wave. The answer to which question will allow the student to determine whether the wave is electromagnetic or mechanical?

a)

Does it require a medium in order to travel?

b)

Can it pass through air and water?

c)

Does it have a measurable speed?

d)

Does it have a measurable frequency?

15.

What is the term used to describe the maximum distance that a sound wave displaces air molecules from their original undisturbed position?

a)

Amplitude

b)

Speed

c)

Frequency

d)

Wavelength

16.

A student is measuring the distance between the crest and the rest position of both a mechanical wave and an electromagnetic wave. Which question is the student trying to answer?

a)

What is the speed of the waves?

b)

What is the amplitude of the waves?

c)

What is the wavelength of the waves?

d)

What is the frequency of the waves?

17.

Which distance represents the wavelength?

a)

W

b)

X

c)

Y

d)

Z

18.

Which distance represents the amplitude?

a)

W

b)

X

c)

Y

d)

Z

19.

What do radio waves, microwaves, X-rays, and gamma rays all have in common?

a)

They all have the same wavelength.

b)

They are electromagnetic waves.

c)

They are detected in the same way.

d)

They store the same amount of energy.

20.

How many wavelengths separate point A and point B?

a)

1.5

b)

2.0

c)

2.5

d)

3.0

21.

Point A represents what?

a)

Trough

b)

Midpoint

c)

Crest

d)

node

22.

Which are properties of a mechanical wave?

a)

none of the answers

b)

can move through space

c)

must have matter to move

d)

carries energy

23.

A wave that can travel through matter and empty space is a:

a)

electromagnetic wave

b)

longitudinal wavy

c)

transverse wave

24.

What does a wave carry from place to place?

a)

energy

b)

matter

c)

people

25.
What kind of wave is pictured?
a)
Transverse
b)
Longitudinal
c)
surface
d)
none of the above
26.
In a longitudinal wave, the parts where the coils are close together are called what?
a)
longitudes
b)
rarefactions
c)
compressions
d)
contractions
27.
What number represents the wavelength?
a)
1
b)
2
c)
3
d)
4
28.
In longitudinal waves, the parts where the coils are spread apart are called what?
a)
rarefactions
b)
compressions
c)
mechanicals
d)
longitudes
29.
The three types of mechanical waves are transverse, surface, and _______________ waves
a)
medium
b)
water
c)
longitudinal
d)
crest
30.

Which letter represents the trough?

a)

A

b)

B

c)

C

d)

D

31.

The two waves have different...

a)

amplitudes

b)

speeds

c)

wavelengths

d)

frequencies

32.

Which electromagnetic radiation has the shortest wavelength?

a)

infrared

b)

gamma

c)

microwave

d)

ultraviolet

33.

Which is an example of a longitudinal wave?

a)

x ray

b)

microwave

c)

sound wave

d)

water wave

34.

Which electromagnetic radiation has the longest wavelength?

a)

infrared

b)

gamma

c)

radio

d)

ultraviolet

35.

Which letter represents the crest?

a)

A

b)

B

c)

C

d)

D

36.

What travels through a wave?

a)

mass

b)

energy

c)

mass and energy

d)

neither mass nor energy

37.

Which wave has the lowest frequency?

a)

A

b)

B

c)

C

d)

D

38.

Mechanical waves (like sound) cannot travel through...

a)

metal

b)

a tree

c)

empty space (vacuum)

d)

a door

39.
The shortest wavelength in visible light is______.
a)
violet
b)
red
c)
blue
d)
yellow
40.
Which wave has a greater frequency?
a)
A
b)
B
41.

What is the amplitude of this wave?

a)

2

b)

3

c)

6

d)

10

42.

Wavelength and Frequency are related in that...

a)

they are always the same

b)

when one increases, the other decreases (inversely proportional)

c)

there is no correlation

d)

they both vary in an irregular pattern

43.
Velocity= ________
Wavelength= .5m
Frequency= 150 hertz
a)
.75 m/s
b)
75 m/s
c)
300 m/s
44.
Velocity= 600 m/s
Wavelength= 2.0m
Frequency= _________
a)
300 hertz
b)
.0033 hertz
c)
3000 hertz
45.
1.  A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
46.

A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?

a)

5 m

b)

5 Hz

c)

125 m

d)

125 Hz

47.
The SI Unit for Work
a)
Newton (N)
b)
Joule (J)
c)
Second (s)
d)
Watt (W)
48.
The SI Unit for Force
a)
Newton (N)
b)
Joule (J)
c)
Second (s)
d)
Watt (W)
49.
The SI Unit for Time
a)
Newton (N)
b)
Joule (J)
c)
Second (s)
d)
Watt (W)
50.
What is the formula for Work?
a)
E=mc2
b)
W= F x d
c)
P = W/T
51.
What is the formula for Power?
a)
E=mc2
b)
W= F x d
c)
P = W/T
52.
F=200 N
d=50 m
w=??
a)
4 J
b)
0.25 J
c)
250 J
d)
10,000 J
53.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
54.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
55.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases 
c)
The kinetic energy decreases while the potential energy increases 
d)
Bothe the potential energy and kinetic energy increase 
56.
An Xbox consumes 15.7 watts while in standby mode. If you leave it in standby mode for 86,400 seconds (one day), how much work was done?
a)
1,356,490 J
b)
1,356,480 J
c)
1,356,470 J
d)
1,356,460 J
57.
W = 500 Joules 
t = 25 seconds
P = ???
a)
0.05 W
b)
20 W
c)
12500 W
d)
2000 W
58.

It takes 5 seconds and 250 joules to move a full wagon across the street. How much power is needed?

a)

50 W

b)

0.02 J

c)

50 J

59.

Calculate the energy transferred when raising the temperature of 16000g of water by 3˚C

a)

785 J

b)

126000J

c)

22000J

d)

200640 J

60.
How many Joules of energy are required to change 10 gram of water from 20 C to 90 C?
a)
1476 J
b)
2926 J
c)
210,050 J
d)
1,404,500 J
61.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC
62.
___________ is measured by the unit Joules.
a)
Heat energy
b)
Temperature
c)
Specific heat
63.

Which substance would require the most heat intake to increase its temperature by the same amount as the other samples listed?

a)

aluminum

b)

water

c)

copper

d)

gold

64.

How much heat(Q) is released when a 10 g piece of lead cools from 100°C to 35°C?

a)

66.5 J

b)

665 J

c)

-83.85 J

d)

0.665 J

65.

The SI units J/g°C measures

a)

Specific heat

b)

mass

c)

temperature

d)

heat energy

66.

If 20 g of water undergoes a temperature change from 25° C to 30° C, how much heat energy (Q) moves from the water to the surroundings?

a)

418 J

b)

209 J

c)

83 J

d)

4.18 J

67.

The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is absorbed when a 10 g piece of platinum warms from 100°C to 150°C?

a)

66.5 J

b)

665 J

c)

0.0266 J

d)

0.665 J

68.

Changing water from a SOLID to a LIQUID is called LATEN HEAT OF ________?

a)

Transfer

b)

Fusion

c)

Vaporization

d)

Condensation

69.

Water Freezes and Melts at what Temperature C at sea level?

a)

0

b)

32

c)

100

d)

212

70.
How much energy is required to completely boil away 150g of 10o C water? Use C = 4.184 J/goC for water, and Hv = 2260 J/g.
a)
56,484 J
b)
339,000 J
c)
395,484 J
d)
385,484 J
71.
If a 8.50g ice cube at -10o C sits out on the counter, completely melts, and then warms to room temperature (25o C) how much energy did the ice cube absorb? Use C = 2.108 J/goC for ice, C = 4.184 J/goC for water, and Hf = 334 J/g.
a)
179.18 J
b)
2839 J
c)
889.1 J
d)
3907.3 J
72.

Consider the following temperature-time graph when a solid is heated. which part of the graph involves latent heat of vaporization?

a)

Part I

b)

Part II

c)

Part III

d)

Part IV

73.
The graph shows the cooling curve of a substance.
The specific latent heat released at stages?
a)
CD and FG
b)
DE and EF
c)
EF and FG
d)
DE and FG
74.

How much energy is required to change 2600 g of water at 100 °\degree C into steam temperature? (latent heat of vaporization is 2.26 x 10610^6 ) 

a)

Q = 5.9 X 10610^6  J

b)

M = 5.9 Xundefined J

c)

C = 5.9 Xundefined J

d)

Δ\Delta T = 5.9 X J

75.

How much energy is required to melt down a 2000 g of mercury?(latent heat of fusion is 1.14 x  10410^4 J/kg)

a)

2.55  x undefinedJ

b)

2.28 x undefinedJ

c)

2,280 x undefinedJ

d)

3.28  x undefinedJ

76.

What is the formula to calculate specific latent heat of vaporisation?

a)

l=Qml=\frac{Q}{m}

b)

c = Q/(mΔƟ)

c)

Q = mcΔƟ

d)

Q=mlQ=ml

77.

the symbol for specific latent heat is

a)

c

b)

ll

c)

Q

d)

m

78.

The heat absorbed by melting a solid is known as

a)

latent heat of fusion

b)

latent heat of solid

c)

latent heat of liquid

d)

latent heat of vaporisation

79.

Latent heat is

a)

the heat absorbed or released at a boiling process during a change of phase

b)

the heat absorbed or released at a constant temperature during a change of phase

c)

the heat absorbed or released at a constant temperature during a change of phase of 1 kg object

d)

the heat absorbed or released by an object to increase or decrease its temperature by 1 degree Celcius

80.

The energy required per kilogram and per degree celsius to raise the temperature of a substances is called…

a)

specific heat capacity

b)

specific heat

c)

specific latent heat

81.

How much energy will a 30 W heater provide in 5 minutes?

a)

150 J

b)

300 J

c)

9,000 J

82.

There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degree Celsius.

Which cup has the MOST thermal energy?

a)
Large cup (Trenta)
b)
Small cup (Tall)
c)
Venti
d)
All three are the same temperature so they have same thermal energy
83.

The graph shows the temperature of 1 kg samples of three materials, A, B, and C, as they are heated. Heating occurs at a constant rate.

If material A starts to melt at 60 oC. At that point, the line on the graph will __________.

a)

continue on as before

b)

begin to curve upward

c)

become steeper

d)

become horizontal

84.

The graph shows the temperature of 1 kg samples of three materials, A, B, and C, as they are heated. Heating occurs at a constant rate.

Which material has molecules with the highest average kinetic energy after 40 s of heating?

a)

Material A

b)

Material B

c)

Material C

d)

Impossible to determine from the graph

85.

Consider the following temperature-time graph when a solid is heated. which part of the graph involves latent heat of vaporization?

a)

Part I

b)

Part II

c)

Part III

d)

Part IV

86.

Which will heat up slower?

a)

water

b)

lead

c)

granite

d)

iron

87.

Which will heat up faster?

a)

copper

b)

granite

c)

iron

d)

basalt

88.

When an electric heater is supplied with an electric power of 2.0 kW to heat 4.0 kg of water for 1 minute, calculate the increase in temperature of the water. Assume that the specific heat capacity of water is 4200 J kg-1 0C-1 and there is no heat loss to the surroundings.

a)

3.050C

b)

7.10C

c)

140C

d)

300C

89.

Danny pours some 95°C water into a cup of instant noodles. The final temperature of the mixture is 85°C. If the masses of the hot water and noodles are 500 g and 150 g respectively, find the specific heat capacity of the noodles.

Give that the original temperature of the noodles is 25°C and the specific heat capacity of the water is 4200 J kg-1 °C-1.

a)

500 J kg-1 °C-1

b)

1.08 x 103 J kg-1 °C-1

c)

2.33 x 103 J kg-1 °C-1

d)

6.00 x 103 J kg-1 °C-1

90.

Energy is supplied at a constant rate to a fixed mass of a material. The material begins as a solid. The graph shows the variation of the temperature of the material with time.


The specific heat capacities of the solid, liquid and gaseous forms of the material are cs cl and cg respectively. What can be deduced about the values of cs cl and cg?

a)

cs > cg > cl

b)

cl > cs > cg

c)

cl > cg > cs

d)

cg > cs > cl

91.

A mass m of ice at a temperature of –5 °C is changed into water at a temperature of 50 °C.


Specific heat capacity of ice = ci

Specific heat capacity of water = cw

Specific latent heat of fusion of ice = L


Which expression gives the energy needed for this change to occur?

a)

55 m cw + m L

b)

55 m ci + 5 m L

c)

5 m ci + 50 m cw + m L

d)

5 m ci + 50 m cw + 5 m L

92.
A wave that moves the medium parallel to the direction of the energy is a:
a)
electromagnetic
b)
standing
c)
transverse
d)
longitudinal
93.
When the particles of a medium are vibrating perpendicular to the direction of the wave,  this is a __________wave.
a)
sound
b)
water
c)
transverse
d)
longitudinal
94.
How many waves are in this wave chain?
a)
6
b)
3
c)
4
d)
5
95.
Which letter(s) represent the trough of the wave?
a)
A
b)
B & D
c)
D
d)
C & G
96.
Which diagram best represents the motion of a particle in a transverse wave?
a)
A
b)
B
c)
C
d)
D
97.

Match the following

a)

sound wave

1.

longitudinal wave that can only travel through matter

b)

compression

2.

when particles in a wave are packed closely together

c)

rarefaction

3.

when particles in a wave are spread apart

d)

pitch

4.

the perception of how high or low a sound seems

e)

echo

5.

when a sound wave is reflected

98.

Travels the fastest through air

a)

Light

b)

Sound

c)

Both

99.

This is a transverse wave

a)

Light

b)

Sound

c)

Both

100.

This is a longitudinal wave

a)

Light

b)

Sound

c)

Both

101.
What Quantity can you calculate from the graph and give the magnitude of that quantity.  
a)
distance 4.5 m
b)
Force 15 N
c)
spring constant 20 N/m
d)
spring constant 200 N/m
102.
Hooke's Law describes the behaviour of which kind of material under tension?
a)
plastic
b)
metals only
c)
elastic
d)
non-metals only
103.
If F is force, k is spring constant and x is extension, Hooke's Law tells us that:
a)
F=k/x
b)
x=Fk
c)
k=Fx
d)
F=kx
104.
Hooke's Law fails when a material reaches its:
a)
breakdown
b)
elastic limit
c)
end of tether
d)
fracture stress
105.

The graph shows the relationship between force and extension as a spring is extended. What is another name for point A?

a)

Point A is the elastic limit

b)

Point A is the elastic summet

c)

Point A is the plastic limit

d)

Point A is the extension limit

106.

Which statement most accurately represents Hooke's Law?

a)

a) The stretch of a spring is directly proportional to the force applied.

b)

b) The stretch of a spring is proportional to the number of coils.

c)

c) The stretch of a spring is inversely proportional to the force applied.

d)

d) Thickness of a spring wire is proportional to the force applied.

107.

An unstretched spring becomes longer when a force is applied to it. Which word describes the additional length of the spring gains?

a)

Expansion

b)

Extension

c)

Stretched

108.

Select a logical prediction for the investigation.

a)

As the force applied to the spring increases, the extension of the spring will decrease.

b)

As the force applied to the spring increases, the extension of the spring will stay the same

c)

As the force applied to the spring increases, the extension of the spring will also increase.

109.

In the diagram, a force is used to stretch a spring. The spring is temporarily deformed when the force is applied. When the force is removed, the spring . . .

a)

returns to its original length.

b)

stays the same length.

110.

1. Objects with different masses are hung on a spring. The diagram shows how much the spring stretches.

a)

110g

b)

150g

c)

200g

d)

300g

111.
A spring has a spring constant of 5N/cm.  What is its extension when loaded with 15N?
a)
4cm
b)
5cm
c)
3m
d)
3cm
112.
A spring extends 1.5m under load 10N. What is its spring constant?
a)
0.15N/m
b)
10N/m
c)
6.7N/m
d)
15N/m
113.
Which of the following springs is the stiffest?
a)
A spring that requires a froce of 2000 N to compress it by 6.8 m.
b)
A spring that requires a force of 4000 N to stretch it by 9.0 m. 
c)
A spring that requires a force of 8000 N to compress it by 45 m.  
d)
A spring that requires a force of 4800 N to stretch it by 14 m.
114.
A 5-newton force causes a spring to stretch 0.2 meter. What is the potential energy stored in the stretched spring?
a)
1 J
b)
0.5 J
c)
0.2 J
d)
0.1 J
115.

What type of force is shown inside of the picture?

a)

Tension

b)

Friction

c)

Elastic

d)

Gravitational

116.
If extension = Stretched length - original length. What is the extension of spring D.
a)
1mm
b)
2mm
c)
3mm
d)
0mm
117.

When comparing spring A to B,

a)

both experience the same maximum force

b)

both experience the same elongation

c)

both store the same amount of elastic potential energy

d)

both have identical spring constants

118.

When comparing spring A to B,

a)

A has a larger spring constant than B so A is a stiffer spring

b)

B has a larger spring constant than A so A is a stiffer spring

c)

A has a larger spring constant than B so B is a stiffer spring

d)

B has a larger spring constant than A so B is a stiffer spring

119.

Elasticity is the property of material that enables an object to return to its original ___________ after the force applied on it is removed.

a)

shape and size

b)

colour and size

c)

type and shape

d)

height and weight

120.

the extension of a spring is ___________ to the force applied on the spring.

a)

directly proportional

b)

inversely proportional

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