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Physics Final Study

Total questions: 145

Worksheet time: 11hrs 15mins

Name
Class
Date
1.

A 70 kg runner has a velocity of 5 m/s. Her kinetic energy is

a)

875 J

b)

175 J

c)

1750 J

d)

350 J

2.

You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, what type of energy does it have?

a)

Potential Energy

b)

Kinetic Energy

c)

Nuclear Energy

d)

Chemical Energy

3.

Bro A bench presses 145-lbs five times in 20 seconds. Bro B bench presses 145-lbs five times in 10 seconds. Which of the following is true?

Bro

a)

Bro A has more power

b)

Bro B has more power

c)

Both Bros have the same power

d)

Bro C was ignored his whole childhood, so he must have the most power.

4.

If 150 Joules of work is needed to move a box 10 meters, what force was used? 

a)

1500 N

b)

15 N

c)

1.5 N

d)

150 N

5.

A 10 kg object with gravitational potential energy of 800 J is released and allowed to fall to the ground. What is its velocity just before it hits the ground ?

a)

63.4 m/s

b)

81.6 m/s

c)

9.8 m/s

d)

12.6 m/s

6.

a)Between which letters is a wavelength?

b)Between which letters is the amplitude?

a)

a) B and F

b)F and G

b)

a)C and D

b)A and B

c)

a)B and F

b)C and D

d)

a)A and E

b)F and G

7.

Which of the following statements is true regarding the speed of sound?

a)

The speed of sound is a constant that never changes

b)

The speed of sound increases in cold weather

c)

The speed of sound decreases in hot weather

d)

Speed of sound helps determine the frequency of of a pitch due to the Doppler Effect

8.

A wave has a velocity= 600 m/s and a wavelength= 2.0m. What is its frequency?

a)

300 Hz

b)

0.0033 Hz

c)

3000 Hz

d)

none of these answers

9.

Which wave has the largest frequency?

a)

A

b)

B

c)

C

d)

They all have equal frequencies

10.

The speed of this sound wave is 2000 m/s, and it has a wavelength of 8 meters? 

What is its PERIOD?

a)

250 sec

b)

4.3 sec

c)

none of these answers

d)

0.004 sec

11.

Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.

a)

2.96x10-9N

b)

3.00x10-6N

c)

2.22x10-9N

d)

2.23x10-8N

12.

What happens to a sound wave when two objects are moving farther apart?

a)

frequency decreases

b)

frequency increases

c)

frequency stays the same

d)

It turns into cheese

13.

If the period of a wave is 0.5 seconds, what is the frequency of that wave?

a)

0.5 Hz

b)

2 Hz

c)

1 Hz

d)

4 Hz

14.

Two objects are gravitationally attracted with a force of 24N. If the mass of one object is doubled and then distance between their centers is doubled, then the new force of attraction is __N

a)

6

b)

12

c)

24

d)

none of these answers

15.

Can energy be created or destroyed?

a)

No

b)

Yes

16.

In what kind of wave does the matter in the medium moves in the same direction (parallel) that the wave travels

a)

Longitudinal wave

b)

Transverse wave

c)

Light wave

d)

Brain wave

17.

Specific heat --

a)

another term for temperature

b)

the flow of charged particles (electrons)

c)

the emission of electrons when electromagnetic radiation (light) falls on an object

d)

determines how much energy is needed to raise the temperature of a material

18.

What's it called when light causes elections to be emitted from an object?

a)

Photoelectric effect

b)

Nuclear fission

c)

Specific heat

d)

Nuclear fusion

19.

What type of nuclear energy happens in the center of the sun?

a)

Fission

b)

Fusion

20.

Which type of nuclear power is currently possible to use on Earth?

a)

Fission

b)

Fusion

21.

What is gravitational force?

a)

attraction or repulsion of charged particles (like protons and electrons)

b)

attraction between two masses

c)

force that holds the nucleus of atoms together

d)

force responsible for nuclear decay

22.

What force is responsible for holding the nucleus of atoms together?

a)

Weak nuclear force

b)

Force of gravity

c)

Strong nuclear force

d)

Electromagnetic force

23.

The flow of electrons is called --

a)

Wavelength

b)

Current

c)

Resistance

d)

Voltage

24.

A resistor is any device that changes ______________ into another form

a)

Potential energy

b)

Kinetic energy

c)

Electrical energy

d)

Thermal energy

25.

The frequency of a wave is the--

a)

number of waves that pass a given point each second

b)

length of one cycle of a wave (from crest to crest)

c)

tendency to continue moving

d)

the height of a wave

26.

What is wavelength?

a)

the number of waves that pass a given point each second

b)

the height of a wave

c)

the flow of charged particles (electrons)

d)

the length of one cycle of a wave (from crest to crest)

27.

When waves change mediums they

a)

reflect

b)

refract

c)

diffract

d)

disapear

28.

an Electromagnet increases in strength when

a)

the current increase

b)

the number of loops increases

c)

the iron core is more conductive

d)

all of the above

29.

if you break a magnet in half you have

a)

2 complete magnets

b)

two half magnets

c)

a north pole, and a south pole

d)

metal with its magnetic properties destroyed

30.

Electrostatics is

a)

the buildup of charges

b)

a force from negative charge

c)

discharge of electricity

d)

what makes lightbulbs light

31.

Work is

a)

always in the direction of motion

b)

energy being used

c)

force multipled by distance

d)

all answers

32.

Machines lose efficiency because of

a)

impulse

b)

heat

c)

fuel

d)

friction

33.

The energy of motion

a)

Kinetic

b)

Electrical

c)

Thermal

d)

Mechanical

34.

If an object is moving at twice its original velocity, its Kinetic energy is now

a)

twice the magnitude

b)

equal in magnitude

c)

half the magnitude

d)

quadruple (four times) the magnitude

35.

In order to equally accelerate an object with double the mass, we would need to apply a force

a)

That has twice the magnitude

b)

that is equal in magnitude

c)

that has half the magnitude

d)

that has quadruple (four times) the magnitude

36.

A space ship turns its engines off while floating in space. The ship will

a)

Slow to a stop

b)

speed up

c)

continue at the same velocity

d)

continue at the same speed but begin to turn

37.

An object that experiences balanced forces is...

a)

not moving

b)

In Free-fall

c)

In equilibrium

d)

not magnetic

38.

Frequency of sound is experienced as

a)

volume

b)

length

c)

intensity

d)

pitch

39.

What type of energy is shown by the movement of a wind turbine's blades?

a)

kinetic

b)

elastic

c)

gravitational

d)

nuclear

40.

What type of energy is stored in fossil fuels, like coal?

a)

chemical

b)

dissipated

c)

kinetic

d)

elastic

41.

A ball rolling down a hill converts _____________ energy into _________ energy.

a)

KE ; PE

b)

PE ; KE

c)

ME ; PE

d)

PE ; PE

42.

This depends upon which planet you are on, where you are?

a)

mass

b)

weight

43.

This stays the same no matter where you are, it does not depend on location.

a)

mass

b)

weight

44.

The 2 things that the force of gravity depend upon are

a)

masses of objects

b)

distance between objects

c)

How close they are to the sun

d)

force of objects due to gravity

45.

The units for the force of gravity are

a)

Newtons

b)

Kilograms

c)

pounds

d)

m/s/s

46.

If these boys are pulling with the same amount of force.  What will happen?

a)

The boy in blue will win.

b)

They will not move at all.

c)

The boy in red will win.

d)

Both will fall down.

47.

___________ is an opposing force that makes objects in motion slow down.

a)

force

b)

speed

c)

friction

d)

mass

48.

Which type of lens is thick in the middle, is used to correct farsightedness, and refracts the light causing the image to be pulled in forward to the retina?

a)

convex lens

b)

concave lens

49.

Which type of lens is thin in the middle, is used to correct nearsightedness, and spreads out the light which pushes the image back to the retina?

a)

convex lens

b)

concave lens

50.

The branch of physics that deals with light and vision is called

a)

Prisms

b)

Optics

c)

Wavelength

51.

Flashlights, headlights, and a make-up mirror are all examples of

a)

concave mirrors

b)

convex mirrors

52.

A concave mirror is curved

a)

inward

b)

outward

53.

A convex mirror is curved

a)

inward

b)

outward

54.

Store security mirrors and rear view mirrors are both examples of

a)

concave mirrors

b)

convex mirrors

55.

The law of reflection states that when light rays strike a plane mirror they are

a)

reflected at a smaller angle at which they arrived

b)

reflected at the same angle at which they arrived

c)

reflected at a larger angle at which they arrived

56.

Glass fibers that transmit light and are used in communication are called

a)

electromagnetic spectrum

b)

incandescent light bulbs

c)

fiber optics

57.

Sound travels fastest in ​ (a)  

Choose from the below words
solids
liquids
gases
vacuum
58.

Which of the following is not an example of refraction?

a)

b)

c)

d)

59.

Waves transfer _______.

a)

particles

b)

matter

c)

energy

60.

Examples of this type of waves include water waves, waves on a string/jump rope, and light waves.

a)

transverse

b)

longitudinal

61.

Examples of _____ waves include sound waves and earthquake P-waves.

a)

transverse

b)

longitudinal

62.

The _______ is the highest point on a transverse wave, and the ____ is the lowest point.

a)

Trough, Crest

b)

Crest, Trough

c)

Compression, Rarefaction

d)

Rarefaction, Compression

63.

The _______ is the size or height of a wave, measured from the equilibrium to the crest or trough.

a)

Amplitude

b)

Wavelength

c)

Frequency

64.

The _______ of a wave is how many waves pass a given point every second.

a)

Frequency

b)

Wavelength

c)

Amplitude

65.

In a longitudinal wave, a ____ is an area where the particles are spread apart and a ____ is an area where the particles are close together.

a)

crest, trough

b)

compression, rarefaction

c)

rarefaction, compression

d)

trough, crest

66.

Examples of ________ waves include visible light, xrays, ultraviolet, and radio waves.

a)

transverse

b)

longitudinal

67.

Waves that can travel through empty space are called _____ waves. Waves that require a medium to travel, such as air or water, are called _____ waves.

a)

mechanical, electromagnetic

b)

electromagnetic, mechanical

c)

crest, trough

d)

compressional, rarefactional

68.

In the diagram of a compressional wave, A is showing a ___ while B is showing a ___.

a)

compression, rarefaction

b)

trough, crest

c)

rarefaction, compression

d)

crest, trough

69.
At which point(s) on the roller coaster is the gravitational potential energy at its maximum?
a)
A
b)
B
c)
C
d)
D
70.
At which point(s) on the roller coaster is the kinetic energy at its maximum?
a)
A
b)
B
c)
C
d)
D
71.

Select all: Work is equal to...

a)

KE + PE

b)

Change in energy

c)

mg

d)

Fd

72.
The symbol for specific heat is .......
a)
c
b)
Q
c)
m
d)
t
73.
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
74.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
75.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
76.
Blow drying your wet hair.
a)
conduction
b)
convection
c)
radiation
77.
Which direction will the heat flow while this person holds a hot cup of tea?
a)
from the cup to her hand
b)
from her hand to the cup
c)
no heat is transferred
78.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
79.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
80.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
81.
A mechanical wave cannot travel through...
a)
a vacuum(empty space).
b)
water.
c)
air. 
d)
glass.
82.

What is a general definition of wave interference?

a)

When a wave bounces off an object

b)

When more than on wave meet and interact in the same medium

c)

When a wave bends around a corner

d)

When a wave creates static

83.

What type of interference is being shown in the picture?

a)

Constructive

b)

Destructive

84.

What type of interference is occurring in the picture?

a)

Constructive

b)

Destructive

85.
Wave with the longest wavelength
a)
microwave
b)
radio
c)
gamma
d)
visible light
86.

Which of these lists the EM waves from Highest to lowest frequency?

a)

Radio - Micro - Gamma - Visible light - UV - Xrays - Infrared - Xrays

b)

Radio - Micro - Infrared - Visible light - UV - X - Gamma waves

c)

Gamma - Xray - UV - Visible light - Infrared - Micro - radio

d)

none

87.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
88.
Which color has the least amount of energy?
a)
red
b)
orange
c)
green
d)
blue
89.
The movement of electrons from atom to atom in a line results in a flow of _____. 
a)
amperage.
b)
electric current.
c)
electromagnetic connectors. 
90.
As the resistance of a circuit increases, the current will
a)
increase
b)
decrease
c)
stay the same
91.
What kind of circuit is this?
a)
series
b)
parallel
92.

What type of circuit is the image showing?

a)

Parallel

b)

Series

c)

No circuit

93.

To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its

a)

wavelength.

b)

intensity.

c)

refraction.

d)

amplitude.

94.

Light in the form of a particle that has discrete amount of energy is called a

a)

Charm

b)

Photon

c)

Exciton

d)

Muon

95.

In this picture, the iron filings show the shape of the magnetic -

a)

pole

b)

core

c)

field

d)

axis

96.

The student arrived home and turned on a light switch, so she could see how to get to her bedroom. The switch allowed electricity to flow and was transformed into-

a)

Light energy

b)

mechanical energy

c)

superior energy

d)

radiant energy

97.

which of the following materials are best used as insulators?

a)

Wood

b)

Rubber

c)

Metal

d)

Plastic

98.

A penny is an example of

a)

An insulator

b)

an electron

c)

a proton

d)

a conductor

99.

How can it be explained that someone's hair can stick to a balloon?

a)

There is static electricity

b)

There is too much dust in the air

c)

A parallel circuit was too long

d)

The person needs to wash his hair

100.

Which of the following items would conduct electricity?

a)

Aluminum ladder

b)

Metal screwdriver

c)

Wooden baseball bat

d)

Rubber flip flops

101.

The student conducted an experiment with circuits. Why was the bulb bright when he closed the switch?

a)

The switch produced an electric current

b)

Closing the switch broke the circuit

c)

Closing the switch completed the circuit

d)

The switch did not make a difference

102.
What charge does a neutron have?
a)
positive
b)
negative
c)
no charge
d)
neutral
103.
A proton is a _____ charged particle.
a)
Negatively
b)
Positively
104.
Which two particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Molecules and Compounds
d)
Neutrons and Electrons
105.

What is at the center of every atom?

a)

An electron

b)

A compound

c)

A molecule

d)

A nucleus

106.
Most of the mass in an atom is made up of _____________________?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and quarks
107.
Which particle contributes the negative charge to the atom?
a)
proton
b)
electron
c)
neutron
d)
nucleus
108.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
109.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
110.
This circuit won't work. What essential part is missing from this circuit?
a)
resistance
b)
source of electric current
c)
conductor
d)
ammeter
111.
The flow of electricity through a conductor is called...
a)
resistance
b)
voltage
c)
current
d)
source of electric current
112.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
113.
Current is measured in....
a)
Amps 
b)
Volts
c)
Ohms
d)
Coulombs
114.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs. 
115.
Mechanical waves are created when a source of energy causes a medium to  _________________.
a)
vibrate
b)
expand
c)
move
d)
compress
116.
_____________ is the highness or lowness of a sound.
(Hint: Think about our sound song.)
a)
Amplitude
b)
Pitch
c)
Volume
d)
Vibration
117.
______________ is the amount of energy in a sound wave.
a)
Amplitude
b)
Echo
c)
Volume
d)
Vibration
118.
3 uses for Infrared radiation
a)
telescopes, TV remotes, thermal imaging
b)
TV remotes, cell phones, kills cancer cells
c)
tanning, blacklight, thermal imaging
d)
view bones, kills bones, TV remotes
119.
How are EM waves different from Mechanical waves?
a)
EM waves need a medium
b)
Mechanical waves need a medium
c)
EM waves can travel through empty space only
d)
Mechanical waves transfer matter
120.
When you select radio stations in a car what are you changing?
a)
amplitude
b)
frequency
c)
wavelength
d)
speed
121.
Which type of light has the lowest energy of this group?
a)
Radio
b)
Microwave
c)
Infrared
d)
Ultraviolet
122.
Which type of light has the largest wavelength of this group?
a)
X-rays
b)
Microwave
c)
Infrared
d)
Ultraviolet
123.
Which type of light has the highest energy of this group?
a)
red
b)
yellow
c)
green
d)
blue
124.

Radio waves and _______ are used in communication

a)

Microwaves

b)

Gamma rays

c)

Visible light

d)

Ultraviolet

125.
This color in the visible part of the spectrum has the highest energy.
a)
Blue
b)
Red
c)
Violet
d)
Yellow
126.
This color in the visible part of the spectrum has the lowest energy. 
a)
Blue
b)
Green
c)
Red
d)
Violet
127.
This color in the visible part of the spectrum has the largest frequency.
a)
Orange
b)
Yellow
c)
Blue
d)
Green
128.

Regulates the amount of light entering the eye and gives the eye its color.

a)

Iris

b)

Lens

c)

Pupil

d)

Retina

129.
Pupil
a)
Focuses light
b)
Clear tissue that covers the front of the eye
c)
Opening through which light enters the eye
d)
Layer of receptor cells
130.
What is letter B
a)
Optic nerve
b)
Lens
c)
Cornea
d)
Retina
131.
What is letter I?
a)
Cornea
b)
Lens
c)
Vitreous humor
d)
Optic nerve
132.
What is letter H?
a)
Cornea
b)
Optic nerve
c)
Iris
d)
Retina
133.

Waves move ​ (a)   without moving ​ (b)   .

Choose from the below words
energy
matter
electromagnetism
mechanical
light
sound
134.
What is the SI unit for circumference?
a)
meter
b)
pi
c)
inches
d)
kilometer
135.
What happens to the centripetal force exerted on an object if you triple the velocity?
a)
it increases to 3X
b)
it decreases to 6X
c)
it increases to 6X
d)
it increases to 9X
136.
Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.
a)
2.4 m/s
b)
3.6 m/s
c)
3.9 m/s
d)
4.2 m/s
137.
Calculate the centripetal force required to make a 5 kg ball move 4 m/s in a circle with a radius of 2 m.
a)
10 N
b)
20 N
c)
30 N
d)
40  N
138.

Centripetal force is...

a)

the inward force acting on a body moving at constant speed in a circle

b)

the outwards force acting on a body moving at constant speed in a circle

139.
Centripetal acceleration acts towards the ___________ of the circular motion
a)
centre
b)
circumference
140.
A horse gallops around a circular arena.  The centripetal force on the horse is ___.
a)
directed outward
b)
tension
c)
directed toward the center of the arena
d)
9.8 N
141.

A ball is moving at constant speed around the circle. Which letter represents the acceleration of the ball?

a)

A

b)

B

c)

C

d)

D

e)

Nonsense. The ball can't be accelerating while moving at a constant speed.

142.
Which of the following depict the speed of the blowing ball?
a)
A
b)
B
c)
C
d)
D
143.
Calculate the mass of an object if it took 20 N to rotate it in a circle with a radius of 2 meters with a velocity of 4 m/s
a)
4.1 kg
b)
3.6 kg
c)
2.5 kg
d)
1.8 kg
144.

Why do objects experience centripetal acceleration even though they can have a constant speed?

a)

Because they are speeding up as they move in a circle

b)

Because they are constantly changing direction and hence, velocity changes, and that net change is directed inward.

c)

Because they are constantly changing both speed and direction

d)

Because when you have 100 people pedaling, you can speed up more easily.

145.

The linear velocity is always _____ to the line of a circle.

a)

outwards

b)

towards the center

c)

tangent

d)

faster