WorksheetsPhysics Second Semester Final Exam Review
Total questions: 94
Worksheet time: 47mins
Name
Class
Date
1.
Torque causes angular acceleration.
a)
True
b)
False
2.
By moving her arms outward, an ice skater speeds up a spin, while moving her arms inward slows down a spin.
a)
True
b)
False
3.
Ideal mechanical advantage is equal to the displacement of the effort force divided by the displacement of the resistance force.
a)
True
b)
False
4.
Mechanical energy is the difference between kinetic energy and gravitational potential energy.
a)
True
b)
False
5.
According to the conservation of mechanical energy, the kinetic energy before plus the kinetic energy after equals the potential energy before plus the potential energy after.
a)
True
b)
False
6.
The thermal energy of the particles in a gas is related to the temperature of the gas.
a)
True
b)
False
7.
Absolute zero is defined as the zero point on the Celsius scale.
a)
True
b)
False
8.
Given the same change in temperature, liquids tend to undergo thermal expansion to a greater extent than solids, but less than gases.
a)
True
b)
Fasle
9.
A liquid with strong adhesive forces will also exhibit a great deal of surface tension.
a)
True
b)
False
10.
The meniscus formed on the top of a layer of water in a graduated cylinder is a result of the strong adhesive force between the water and the glass.
a)
True
b)
False
11.
When work is done on a spring to stretch it, elastic potential energy is stored in the spring.
a)
True
b)
False
12.
The speed of a wave depends on the medium through which it travels.
a)
True
b)
False
13.
The period and frequency of a wave are inversely related.
a)
True
b)
False
14.
Destructive interference between two superimposed waves can result in a node, or point with no displacement.
a)
True
b)
False
15.
The unit for frequency is Hertz, or cycles per second.
a)
True
b)
False
16.
The additive primary colors are red, green, and blue, & subtractive primary colors are blue, red and yellow.
a)
True
b)
False
17.
Different colors of light are associated with different wavelengths.
a)
True
b)
False
18.
A red ball is red because it has absorbed red light.
a)
True
b)
False
19.
The virtual image produced by a plane mirror appears to be the same distance away from the mirror as the object itself.
a)
True
b)
False
20.
The height of an image as seen in a plane mirror is the same as the actual height of the object.
a)
True
b)
False
21.
A concave mirror can produce either real or virtual images.
a)
True
b)
False
22.
Two objects with the same type of charge attract each other.
a)
True
b)
False
23.
A magnetic field exists around any current carrying wire.
a)
True
b)
False
24.
A magnetic domain refers to a group of neighboring atoms whose poles are aligned.
a)
True
b)
False
25.
The moment of inertia gives an object’s resistance to changes in angular velocity.
a)
True
b)
False
26.
When there is an angle between the force and the displacement, W = F d cos q.
a)
True
b)
False
27.
Energy cannot be changed from one variety to another.
a)
True
b)
False
28.
A machine can never be 100 percent efficient because some energy is lost as waste heat.
a)
True
b)
False
29.
An object that is completely submerged and does not rise or sink has neutral buoyancy.
a)
True
b)
False
30.
Sound travels faster on a cold day than on a warm day.
a)
True
b)
False
31.
A degree is a unit of measurement equal to _____.
a)
1/400 of a revolution
b)
1/360 of a revolution
c)
1/(2pi) of a revolution
d)
1/4 of a revolution
32.
A radian is a unit of measurement equal to _____.
a)
1/400 of a revolution
b)
1/360 of a revolution
c)
1/(2pie) of a revolution
d)
1/4 of a revolution
33.
What is the correct definition of momentum, p =
a)
ma
b)
mv2
c)
mv
d)
mc2
34.
Choose the correct definition of angular momentum.
a)
the product of the object’s moment of inertia and the object’s angular velocity
b)
the product of the object’s momentum and the object’s angular velocity
c)
the product of the object’s momentum and the object’s moment of inertia
d)
the product of the object’s momentum and the object’s angle through space
35.
Which does not utilize the gyroscope effect?
a)
a spiral pass in football
b)
a spinning top
c)
a flying plastic disk
d)
a magnetic compass
36.
Machines make tasks easier by changing either the magnitude or the direction of the _____ needed.
a)
force
b)
work
c)
energy
d)
velocity
37.
Which is not a simple machine?
a)
pulley
b)
ramp
c)
bicycle
d)
wood screw
38.
Which is not a part of the walking mechanism of the human body?
a)
a rigid bar
b)
a fulcrum
c)
a resistance
d)
a gear
39.
What type of simple machine is a wheelbarrow?
a)
lever
b)
inclined plane
c)
wedge
d)
screw
40.
What type of simple machine is most often used to cut things?
a)
wedge
b)
pulley
c)
wheel and axle
d)
screw
41.
An elastic collision is one in which
a)
kinetic energy before the collision equals kinetic energy after the collision.
b)
kinetic energy after the collision is zero.
c)
kinetic energy before the collision is less than kinetic energy after the collision.
d)
kinetic energy before the collision is greater than kinetic energy after the collision.
42.
A superelastic collision is one in which
a)
kinetic energy before the collision equals kinetic energy after the collision.
b)
kinetic energy after the collision is zero.
c)
kinetic energy before the collision is less than kinetic energy after the collision.
d)
kinetic energy before the collision is greater than kinetic energy after the collision.
43.
An inelastic collision is one in which
a)
kinetic energy before the collision equals kinetic energy after the collision.
b)
kinetic energy after the collision is zero.
c)
kinetic energy before the collision is less than kinetic energy after the collision.
d)
kinetic energy before the collision is greater than kinetic energy after the collision.
44.
Which material is likely to experience a nearly elastic collision?
a)
a water balloon
b)
an egg
c)
a steel ball bearing
d)
a stick of butter
45.
Which type of energy is associated with a body’s height above the ground?
a)
thermal energy
b)
elastic potential energy
c)
gravitational potential energy
d)
rest energy
46.
When a closed tin is heated, the pressure inside it increases. This happens because:
a)
The number of molecules increases on heating.
b)
The molecules move faster and each molecule strikes the walls of the tin more often.
c)
The molecules become heavier and strike the walls of the tin harder.
d)
The molecules now collide more with the walls of the tin than amongst themselves.
47.
50 g of ice at 0°C is dropped in a beaker containing 100 g of water at 0°C. What will be the contents of the beaker after 5 hours? Assume that the room temperature is 0°C.
a)
150 g of water
b)
25 g of ice and 125 g of water
c)
75 g of ice and 75 g of water
d)
50 g of ice and 100 g of water
48.
Which is an example of heating through convection?
a)
warm air rising toward the ceiling
b)
touching a hot stove
c)
using a greenhouse to grow plants in winter
d)
The sun heats up the inside of a car
49.
Which is the transfer of thermal energy through direct contact of particles?
a)
conduction
b)
radiation
c)
convection
d)
specific heat
50.
Which is not a correct temperature equivalent?
a)
1177°C = 1450 K
b)
65°C = 338 K
c)
289°C = 552 K
d)
350°C = 623 K
51.
Which is not associated with an increase in entropy?
a)
spontaneous processes
b)
an inefficient engine
c)
an increase in thermal energy
d)
a more orderly arrangement of particles
52.
Which is not associated with an increase in entropy?
a)
spontaneous processes
b)
an inefficient engine
c)
an increase in thermal energy
d)
a more orderly arrangement of particles
53.
How much pressure is exerted by a force of 600 N spread over a 20 m2 area?
a)
30 N
b)
2700 Pa
c)
30 Pa
d)
12000 Pa
54.
Which is not a unit of pressure?
a)
N/m2
b)
Pa
c)
kPa
d)
N/cm
55.
A gas is collected in a 4.24 L container at 0°C. The pressure of the gas is determined to be 137 kPa. Determine the number of moles of gas present if R = 8.31
a)
0.256 moles
b)
0.0209 moles
c)
0.0025 moles
d)
5.724 moles
56.
A sample of gas has a volume of 0.35 m3 and a pressure of 1.42 kPa when it is at 273 K. What will the new pressure be if it is allowed to occupy a volume of 0.63 m3 at a temperature of 340 K?
a)
0.63 kPa
b)
29000 kPa
c)
3.2 kPa
d)
0.98 kPa
57.
Which describes a volatile liquid?
a)
strong cohesion
b)
weak cohesion
c)
strong cohesion and weak adhesion
d)
does not evaporate quickly
58.
Small particles, like dust, settle on the top of a liquid rather than sinking. Which term describes this phenomenon?
a)
adhesion
b)
volatile
c)
evaporative cooling
d)
surface tension
59.
The bimetallic strip in a thermostat operates according to which principle?
a)
Bernoulli’s principle
b)
Boyle’s Law
c)
Archimedes’s principle
d)
Thermal expansion
60.
Which is not an example of resonance?
a)
a basketball is dribbled down the court
b)
a car bumper bounces back after a collision
c)
a child swings higher as she is pushed on a swing
d)
a guitar string is repeatedly plucked
61.
A grandfather clock keeps time using a pendulum. Which will be true of the clock if the pendulum is shortened?
a)
It will run slow.
b)
It will run fast.
c)
It will keep the same time.
d)
It will depend on the bob’s mass.
62.
Which scenario would result in a drop in the pitch being observed?
a)
The observer moves closer to a stationary source.
b)
The source moves toward a stationary observer.
c)
A source moving toward an observer suddenly stops.
d)
The observer and the source move in the same direction at the same speed.
63.
Which describes a sound wave?
a)
A sound wave travels in a vacuum.
b)
A sound wave is a longitudinal wave.
c)
A sound wave is an electromagnetic wave.
d)
A sound wave has one constant speed.
64.
Which characteristic of sound is associated with frequency?
a)
pitch
b)
loudness
c)
pressure
d)
timbre
65.
Which is the purpose of resonance in musical instruments?
a)
c. make the sound louder
b)
decrease the pitch
c)
make the sound louder
d)
make the sound softer
66.
Which is increased when the string of a stringed instrument is tightened?
a)
timbre
b)
pitch
c)
wavelength
d)
loudness
67.
Which frequency would be the fourth harmonic in a series for a closed pipe resonator if the fundamental is 256 Hz?
a)
2304 Hz
b)
1792 Hz
c)
2048 Hz
d)
1024 Hz
68.
Which is a true statement regarding how objects can be seen?
a)
A luminous source emits its own light.
b)
An illuminated source emits its own light.
c)
A luminous source reflects light from another source.
d)
Both luminous and illuminated sources emit their own light.
69.
Which describes the bending of light as it passes around or through a slit?
a)
polarization
b)
Doppler effect
c)
diffraction
d)
reflection
70.
Which describes an example of specular reflection?
a)
the Sun reflecting off the surface of rough ocean waves
b)
sunlight reflecting off a sandy beach
c)
a light beam from a flashlight reflecting off a sheet of notebook paper
d. a laser beam bouncing off a mirror
d. a laser beam bouncing off a mirror
d)
a laser beam bouncing off a mirror
71.
By definition, which has type of mirror has its edges curved toward the object?
a)
plane mirror
b)
concave mirror
c)
convex mirror
d)
spherical mirror
72.
Which type of mirror has its edges curved away from the object?
a)
plane mirror
b)
concave mirror
c)
convex mirror
d)
spherical mirror
73.
Which of the following statements is true about electric forces?
a)
Electric forces cause objects to only attract each other.
b)
Electric forces cause objects to only repel each other.
c)
Electric forces cause objects to repel or attract each other.
d)
Electric forces have no effect on each other.
74.
Which of the following materials is the best conductor of electricity?
a)
Metal
b)
Glass
c)
Dry air
d)
Rubber
75.
When two bodies are charged, the total charge before and after charging remains the same because of:
a)
quantization of charges
b)
conservation of charges
c)
law of induction
d)
Coulomb’s law
76.
Charging by _____ charges a neutral body by touching it with a charged body; whereas charging by _____ charges an object without touching it with a charged body.
a)
conduction, induction
b)
induction, conduction
c)
force, conduction
d)
force, induction
77.
A/An _____ is a material in which charges will not move easily, whereas a/an _____ is a material that allows charges to move about easily.
a)
insulator, conductor
b)
electroscope, conductor
c)
insulator, electroscope
d)
conductor, insulator
78.
A __________ is described as a device with specific resistance and is used to control current.
a)
battery
b)
resistor
c)
parallel connection
d)
series connection
79.
A/An _____ is a type of electric circuit in which there are multiple paths, whereas a/an _____ is a type of electric circuit in which there is a single current path.
a)
parallel connection, series connection
b)
series connection, parallel connection
c)
conductor, insulator
d)
insulator, conductor
80.
A/An _____ is described as the flow of charged particles.
a)
electric field
b)
electric potential difference
c)
electric current
d)
gravitational force
81.
A rocket leaves a launch pad at liftoff with a great deal of upward momentum. What was initially given downward momentum?
a)
the launch pad
b)
the astronauts aboard the rocket
c)
the expelled fuel
d)
the entire Earth
82.
What type of simple machine is a flight of stairs?
a)
pulley
b)
wedge
c)
inclined plane
d)
lever
83.
What is the proper unit for gravitational potential energy?
a)
gravitons
b)
joules
c)
newtons
d)
meters
84.
Which two notes are not an octave apart?
a)
256 Hz and 512 Hz
b)
262 Hz and 524 Hz
c)
331 Hz and 622 Hz
d)
277 Hz and 554 Hz
85.
A system which does not gain or lose mass
a)
Center of mass
b)
Centrifugal “force”
c)
Impulse
d)
Closed system
86.
The product of the average forceon an object and the time interval over which it acts.
a)
Center of mass
b)
Centrifugal “force”
c)
Impulse
d)
Closed system
87.
A force that is not real because their is no physical outward push on the object.
a)
Center of mass
b)
Centrifugal “force”
c)
Impulse
d)
Closed system
88.
The point on an object that moves in the same way a point particle would move.
a)
Center of mass
b)
Centrifugal “force”
c)
Impulse
d)
Closed system
89.
States that the momentum of any closed, isolated system does not change.
a)
Law of Conservation of Momentum
b)
Kinetic Energy
c)
Energy
d)
Compound Machine
90.
Energy associated with motion
a)
Law of Conservation of Momentum
b)
Kinetic Energy
c)
Energy
d)
Compound Machine
91.
The ability of a system to produce a change in itself or the world around it.
a)
Law of Conservation of Momentum
b)
Kinetic Energy
c)
Energy
d)
Compound Machine
92.
A machine consisting of two or more simple machines linked together
a)
Law of Conservation of Momentum
b)
Kinetic Energy
c)
Energy
d)
Compound Machine
93.
Energy that is stored due to interactions between objects in a system
a)
Energy
b)
Compound Machine
c)
Potential Energy
d)
Law of Conservation of Energy
94.
States that in a clsoed, isolated system, energy can be neither created nor destroyed
a)
Energy
b)
Compound Machine
c)
Potential Energy
d)
Law of Conservation of Energy
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