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GENERAL PHYSICS REVIEWER

Total questions: 140

Worksheet time: 51mins

Name
Class
Date
1.

A particle is constrained to move along the inner surface of a fixed hemispherical bowl. The number of degrees of freedom of the particle is

a)

one

b)

two

c)

three

d)

four

2.

The homogeneity of time leads to the law of conservation of

a)

linear momentum

b)

Angular momentum

c)

energy

d)

parity

3.

The isotropy of space leads to the law of conservation of

a)

linear momentum

b)

angular momentum

c)

energy

d)

parity

4.

If the generalized coordinate is angle then the generalized force has the dimensions of

a)

force

b)

momentum

c)

torque

d)

energy

5.

If Lagrangian does not depend upon the time explicitly then

a)

Hamiltonian is constant

b)

hamiltonian is not constant

c)

kinetic energy is constant

d)

potential energy is constant

6.

The product of generalized coordinate and its conjugate momentum has the dimensions of

a)

force

b)

energy

c)

angular momentum

d)

linear momentum

7.

If a coordinate corresponds to a rotation is cyclic, rotation about the given axis is invariant, then following quantity is conserved

a)

Linear Momentum

b)

Angular Momentum

c)

kinetic energy

d)

Potential energy

8.

It is a branch of Physics, that deals with the electromagnetic force that occurs between electrically charged particles.

a)

Thermodynamics

b)

Optics

c)

Kinematics

d)

Electromagnetism

9.

It is a form of energy resulting from the existence of charged particles (such as electrons or protons), either statically as an accumulation of charge or dynamically as a current.

a)

Force

b)

Charge

c)

Magnetism

d)

Electricity

10.

What will possibly happen to these charges?

a)

Repel

b)

Switch

c)

Transfer

d)

Attract

11.

It is a property that leads to electromagnetic interactions between the particles that make up matter.

a)

conduction

b)

electric charge

c)

electromagnetism

d)

repulsion

12.

Which among the choices is a good example of static electricity?

a)

Occurrence of lightning

b)

Grounding

c)

Electric Generators

d)

Repulsion between like charges

13.

Which among these is a conductor?

a)

Iron (Fe)

b)

Selenium (Se)

c)

Neon (Ne)

d)

Antimony (Sb)

14.

The flow of this particle is the main reason of producing electricity.

a)

a

b)

b

c)

c

d)

none of the above

15.

Which among these labeled item is the proton?

a)

a

b)

b

c)

c

d)

none of the above

16.

It is a property that leads to electromagnetic interactions between the particles that make up matter.

a)

conduction

b)

electric charge

c)

electromagnetism

d)

repulsion

17.

What will possibly happen to these charges?

a)

Repel

b)

Switch

c)

Transfer

d)

Attract

18.

If the current in a specific copper wire increases this can be due to _____________________.

a)

An increase in the charge carrier density

b)

An increase in the electron drift speed

c)

An increase in its cross sectional area

d)

An increase in the charge of electrons

19.
Electric current that flows in only one direction. 
a)
Voltage 
b)
Direct Current 
c)
Alternating Current
d)
Series Circuit 
20.
current that flows through a circuit from the positive terminal of a battery through the circuit to the negative terminal of the battery
a)
drift acceleration
b)
drift velocity
c)
conventional current
d)
current density
21.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
22.
The conductor with higher temperature 
a)
high resistance 
b)
low resistance 
c)
same resistance 
d)
it does not affect the resistance 
23.

A wire has a resistance R.

What is the resistance when both the length and radius of the wire are doubled?

a)

R/2

b)

2R

c)

R/4

d)

4R

24.

Silicon

a)

Conductor

b)

Insulator

c)

Semi-Conductor

25.

Which bulb will be the brightest?

a)

Bulb A

b)

Bulb B

c)

Bulb C

d)

They will all be the same

26.

In a parallel circuit, if one connection is broken, all of the connections stop working.

a)

True.

b)

False.

27.
What kind of circuit is this?
a)
series
b)
parallel
28.

Which of the following is an ohmic conductor?

a)

transistor

b)

vacuum tube

c)

nichrome wire

d)

electrolyte

29.

A bar magnet of magnetic moment 80 units is cut into two halves of equal length: the magnetic moment of each half will be

a)

80 units

b)

40 units

c)

60 units

d)

20 units

30.

A thin bar magnet of length 2L is bent at the midpoint so that the angle between them is 600. The new length of the magnet is :

a)

(2)1/2 L

b)

(3)1/2 L

c)

2L

d)

L

31.

A semi circular magnet of moment M is being straightened , then the new magnetic moment :

a)

(2M/Π)

b)

Π / 2 M

c)

( M Π / 2)

d)

(3M / Π)

32.

The ratio of magnetic flux density to the strength of magnetising field is called :

a)

Magnetic potential

b)

Magnetic permeability

c)

Magnetic susceptibility

d)

Magnetic hysteresis

33.

The dip angle at the magnetic poles :

a)

00

b)

900

c)

450

d)

600

34.

The temperature at and above which a ferromagnetic material becomes a paramagnetic is called:

a)

critical temperature

b)

inversion temperature

c)

curie temperature

d)

debye temperature

35.

A hydrogen atom is paramagnetic , a Hydrogen molecule is a :

a)

diamagnetic

b)

paramagnetic

c)

ferromagnetic

d)

anti-ferromagnetic

36.

The angle between the earth's magnetic and geographic axes is :

a)

zero

b)

170

c)

230

d)

710

37.

The unit of magnetic susceptibility is :

a)

henry

b)

amp / m

c)

weber / m

d)

none of these

38.

A sphere of gold is brought close to a powerful magnet . The sphere will experience?

a)

zero force

b)

Repulsive force

c)

Attractive force

d)

Oscillating force

39.

A magnetic field is a field of force that is produced by moving ________ charges.

a)

northern

b)

positive

c)

gravitational

d)

electric

40.

Magnetism is a force of ____________________________ that occurs between two _____________ objects.

a)

attraction or repulsion, magnetic

b)

external or internal, magnetic

c)

external or repulsion, electronic

d)

attraction or internal, electronic

41.

The magnetic ____________ around a bar magnet is shown above.

a)

legs

b)

flowers

c)

field

d)

direction

42.

A compass points toward the south pole of Earth's magnetic field, located near the Earth's geographical ________.

a)

north

b)

south

c)

east

d)

west

43.

Every magnet has both a _________ pole and a __________ pole.

a)

North, South

b)

East, West

c)

Positive, Negative

d)

Positive, South

44.

The image above shows how iron filings respond to magnetic fields generated by two magnets with ____________ poles facing each other.

a)

opposite

b)

like

c)

positive

d)

negative

45.

The image above shows how iron filings respond to magnetic fields generated by two magnets with ____________ poles facing each other.

a)

like

b)

opposite

c)

positive

d)

negative

46.
As the distance between two magnets increases (they get farther apart), the force between them:
a)
Increases
b)
Decreases
c)
Stays the Same
47.
If you cut a magnet in half, what happens to the poles?
a)
One half gets the North Pole, the other half gets the South Pole
b)
Both halves get only a North Pole
c)
Both halves get only a South Pole
d)
Both halves get a North pole and a South Pole
48.
Which direction is the North Pole of this electromagnet?
a)
Right
b)
Left
c)
Up
d)
Down
49.

How can a wire become magnetic?

a)

point it north

b)

add a resistor

c)

heat it up

d)

run a current through it

50.
Electric current passing through a wire produces ________.
a)
permanent magnet
b)
magnetic field around wire
c)
compass
d)
geographic poles
51.

In the picture, what direction is the current flowing in?

a)

In the direction of the fingers

b)

In the direction of the thumb

c)

Opposite the direction of the fingers

d)

Opposite the direction of the thumb

52.

Where is field strength the strongest in a current carrying wire?

a)

closest to the wire

b)

further from the wire

c)

The same no matter the distance

53.

The magnetic field lines around a wire carrying a current form a series of concentric circles around the wire

a)

True

b)

False

54.

Which of the following is not true about magnetic field lines?

a)

They go away from the north pole

b)

They go away from the south pole

c)

They are a vector quantity

d)

They are 3D

55.

In a moving coil galvanometer, the radial magnetic field will always exert a maximum torque on the coil. In which orientation will the coil have the maximum torque?

a)

Magnetic field is parallel to the plane of the coil

b)

Magnetic field is at 45° with the plane of the coil

c)

Magnetic field is perpendicular to the plane of the coil

d)

Magnetic field is at 60° with the plane of the coil

56.

In a moving coil galvanometer, the radial magnetic field will always exert a maximum torque on the coil. In which orientation will the coil have the maximum torque?

a)

Magnetic field is parallel to the normal plane of the coil

b)

Magnetic field is at 45° with the normal plane of the coil

c)

Magnetic field is perpendicular to the normal plane of the coil

d)

Magnetic field is at 60° with the normal plane of the coil

57.

In a mass spectrometer, charged particle moves in straight line before leaving the region in the velocity selector. Then it moves in __________ when the charged particle enter a magnetic field region after passing through the velocity selector.

a)

straight line

b)

uniform circular motion

58.

Choose all physical quantity that effects the strength of magnetic force on a current-carrying conductor moving in uniform magnetic field?

a)

magnitude of charge

b)

magnitude of current

c)

length of the conductor

d)

angle between the current and B

59.

Choose all physical quantity that effects the strength of magnetic force on a charge moving in uniform magnetic field?

a)

magnitude of charge

b)

velocity of the charge

c)

magnetic field strength

d)

angle between the velocity and B

60.
The first law of thermodynamics states that the change in the internal energy of a system is equal to the difference in energy transferred to or from the system as heat and
a)
mass
b)
work done
c)
force
d)
pressure
61.
The first law of thermodynamics is a restatement of the
a)
Zeroth law of thermodynamics
b)
law of heat addition
c)
principle of entropy
d)
conservation of energy
62.

Process B on the PV diagram is an ______________ process.

a)

adiabatic

b)

isobaric

c)

isochoric

d)

isothermal

63.

which of the following laws is applicable for the behaviour of perfect gas...

a)

Boyle's law

b)

Charle's Law

c)

Gas Lussac law

d)

All of the above

64.

A thermodynamic system where no exchange of heat takes place between system and surrounding is...

a)

Isothermal process

b)

Adiabatic process

c)

Isobaric process

d)

Isochoric process

65.
What does the "U" stand for the formula ∆U = Q + W
a)
Heat
b)
Temperature
c)
Work
d)
Internal energy
66.
When applying the first law of thermodynamics to a system, when is heat a positive quantity?
a)
when the system does work
b)
when the system has work done on it
c)
when the system absorbs heat
d)
when the system loses heat
e)
when no work is done either on the system or by the system
67.

A thermodynamic system where no exchange of heat takes place between system and surrounding is...

a)

Isothermal process

b)

Adiabatic process

c)

Isobaric process

d)

Isochoric process

68.

Heating a closed, steel container is an example of an

a)

Adiabatic process

b)

Isovolumetric process

c)

Isothermal process

d)

Isobaric process

69.

Which of the following equations is the equation for calculating the work done by a gas in a piston?

a)

W=Fd

b)

W=PΔV

c)

ΔV=Ad

d)

A=πr2

70.

For an isovolumetric process, which of the following statements is correct?

a)

a. Work, heat, and internal energy all undergo changes.

b)

b. Work and heat balance each other, so that there is no change in internal energy.

c)

c. No energy is transferred as heat; internal energy change is due to work.

d)

d. No work is done; internal energy change is due to heat.

71.

For an isothermal process, which of the following statements is correct?

a)

a. Work, heat, and internal energy all undergo changes.

b)

d. No work is done; internal energy change is due to heat.

c)

c. Work and heat balance each other, so that there is no change in internal energy.

d)

d. No energy is transferred as heat; internal energy change is due to work.

72.

For an adiabatic process, which of the following statements is correct?

a)

a. Work, heat, and internal energy all undergo changes.

b)

b. Work and heat balance each other, so that there is no change in internal energy.

c)

c. No energy is transferred as heat; internal energy change is due to work.

d)

d. No work is done; internal energy change is due to heat.

73.

Symbol that indicates that energy is released.

a)

U

b)

Q

c)

-Q

d)

W

74.

In an adiabatic process, what equals zero?

a)

Q

b)

W

c)

ΔU

d)

T

75.

In Isothermal process which property remains constant

a)

Volume

b)

Pressure

c)

Concentration

d)

Temperature

76.

What is the name of the process in which pressure remains constant.

a)

Isochoric process

b)

Adiabatic process

c)

Isobaric process

d)

Isolated process

77.

Zeroth law of thermodynamics is:

a)

Kinetic energy of molecules of a gas is zero

b)

Ideal gas does not contain molecules

c)

If two systems are thermal equilibrium third one is also in equilibrium

d)

Absolute zero temperature cannot be obtained

78.

Transfer of heat from low temperature to high temperature is

a)

None of these

b)

Possible by doing some external work

c)

Possible by keeping both the bodies in contact

d)

Impossible

79.

The physics of the refrigerator closely resembles the

a)

Ice formation

b)

Heat engine

c)

Vapour compression machin

d)

vaporization of water

80.

---------------is intensive variable

a)

area

b)

entropy

c)

temperature

d)

volume

81.

In a reversible adiabatic process, entropy

a)

increases

b)

decreases

c)

remains unchanged

d)

none of these

82.

A piece of ice is added to water in a cup. The entropy

a)

decreased

b)

increased

c)

no change

d)

decreases then increases.

83.

Correct Meyer's relation

a)

Cp-Cv = R

b)

Cv-Cp = R

c)

Cv+Cp = R

84.

What type of image is formed by the humane eyes?

a)

Upright and Virtual

b)

Upright and Real

c)

Inverted and Virtual

d)

Inverted and Real

85.

Which type of lens do the camera and human eyes alike have?

a)

Concave lens

b)

Spherical lens

c)

Plain lens

d)

Convex lens

86.

Which best describe the propagation of electric field in relation to the propagation of the magnetic field and wave motion?

a)

The propagation of the electric field is perpendicular to the direction of the magnetic field but parallel to the propagation of the wave motion.

b)

The propagation of the electric field is perpendicular to the direction of the magnetic field and wave motion.

c)

The propagation of the electric field is parallel to the direction of the magnetic field but perpendicular to the propagation of the wave motion.

d)

The propagation of the electric field is parallel to the direction of the magnetic field and wave motion.

87.

What is created by changing magnetic field?

a)

voltage

b)

current

c)

magnetic field

d)

resistance

88.

Which property of light is described when light separate into bands of color as it passes through the prism?

a)

Dispersion

b)

Diffraction

c)

Reflection

d)

Rarefaction

89.

Which of the following electromagnetic waves has the strongest ionizing capability?

a)

Radio waves

b)

X-rays

c)

Microwaves

d)

Gamma rays

90.

Colors are the characteristics of what type of wave in the electromagnetic spectrum?

a)

Visible light

b)

Microwaves

c)

Infrared

d)

Ultra violet waves

91.

The pitch of the sound is dependent upon what property of wave?

a)

wavelength

b)

period

c)

amplitude

d)

frequency

92.

Which is true about the propagation of sound waves in different media?

a)

Sound waves travel fastest among liquid media.

b)

Sound waves travel faster in vacuum than concrete walls.

c)

Sound waves travel the slowest among solid media.

d)

Sound waves do not travel in vacuum space.

93.

What does SONAR stands for?

a)

Sound Navigation and Ranging

b)

Sound Navigation and Reflection

c)

Sound Navigation and Refraction

d)

Sound Navigation and Rarefaction

94.

Who pioneered the discovery of the dispersion of light?

a)

Wilhelm Gottfried Leibniz

b)

Isaac Newton

c)

Galileo Galilei

d)

Michael Faraday

95.

What do concave spherical mirrors do to incident light?

a)

Diverge the incident light.

b)

Contract the incident light.

c)

Suppress the incident light.

d)

Converge the incident light.

96.

What bends light into the retina?

a)

Pupil

b)

lens

c)

aqueous humour

d)

Cilliary muscle

97.

Which of the following best describe ionizing radiations?

a)

Ionizing radiations are less penetrating than non-ionizing radiation.

b)

Ionizing radiations has wavelength less than infrared radiation.

c)

Ionizing radiations carry extremely high amount of energy.

d)

Ionizing radiations have lower frequency and longer wavelength.

98.

The highest point of the wave is called_______

a)

amplitude

b)

trough

c)

crest

d)

wavelength

99.

What type of waves always require medium to propagate?

a)

Electromagnetic waves

b)

Surface waves

c)

ionizing waves

d)

Mechanical waves

100.

Which EM waves has the shortest frequency and highest energy level?

a)

radio waves

b)

x-rays

c)

gamma rays

d)

microwaves

101.

Which of the following color property of light has the lowest frequency?

a)

Red

b)

Violet

c)

Green

d)

Yellow

102.

Who is one of the most influential physicists in the 20th century?

a)

Karl Schwarzschild

b)

Albert Einstein

c)

Isaac Newton

d)

Max Planck

103.

Light sometimes behave as a particle. It is called__.

a)

proton

b)

photon

c)

neutron

d)

electron

104.

Which explains why the sky is blue?

a)

Blue light is not easily scattered by the atmosphere

b)

Blue light is not easily absorbed by the atmosphere

c)

Air molecules scatter blue light more readily than other colors

d)

Blue light is reflected off the world's oceans into the atmosphere

105.

Which statement best describes the 'Law of reflection'?

a)

The angle of incidence is equal to the angle of reflection

b)

The angle of reflection is perpendicular to the normal.

c)

The angle of reflection is parallel to the angle of incidence

d)

Both the angle of incidence and reflection lie in different planes.

106.

It Is also known as curving of space-time.

a)

Black hole

b)

warping

c)

Bending

d)

orbiting

107.

How does special relativity differs from general relativity?

a)

Special relativity applies only to moving frames while general relativity applies only to stationary frames.

b)

Special relativity applies only to stationary frames while general relativity applies only to accelerating frames.

c)

Special relativity applies only to stationary or moving frames while general relativity applies only to accelerating frames.

d)

Special relativity applies only to accelerating frames while general relativity applies only to stationary or moving frames.

108.

Which is true about time according to general relativity?

a)

Time slows down with gravity.

b)

Time accelerates with gravity.

c)

Time is pulled down by gravity.

d)

Time can't be changed by gravity.

109.

He was the one to first use the general relativity in predicting that a sufficiently massive body can deform space-time and that lead to his idea of the existence of black holes.

a)

Karl Schwarzschild

b)

Albert Einstein

c)

Thomas Young

d)

Max Planck

110.

What force is explained by general relativity?

a)

Weak nuclear force

b)

Electromagnetic force

c)

Strong nuclear force

d)

Gravitational force

111.

How does the curvature of space-time affect the light from distant stars?

a)

The curvature of space-time reflects light passing through it.

b)

The curvature of space-time bends light passing through it.

c)

The curvature of space-time does not allow light pass through it.

d)

The curvature of space-time absorbs the light passing through it.

112.

Which of the following is NOT considered as the evidence of General Theory of Relativity?

a)

Orbit of Mercury

b)

Orbit of the Earth

c)

Bending of light

d)

Black holes

113.

Light, like any wave is known to pass from one medium to another medium with different optical densities. Which of the following properties of light is being described?

a)

Reflection

b)

Diffraction

c)

Refraction

d)

Interference

114.

Which of the following is most likely scattered by particles present in the atmosphere?

a)

No wavelengths are scattered.

b)

Shorter wavelength of light.

c)

Longer wavelength of light.

d)

Both Shorter and Longer wavelength of light.

115.

The Theory of Photoelectric effect won a Nobel prize in 1921. Who was the proponent of the said theory?

a)

Thomas Young

b)

Albert Einstein

c)

Albert Bandura

d)

Max Planck

116.

White light goes through a filter that can absorb blue light; what color of light can pass through as perceived by an observer?

a)

Blue

b)

Green

c)

Red

d)

Yellow

117.

Which of the following BEST describes length contraction?

a)

Length is absolute regardless of reference frame.

b)

Length may change under one reference frame.

c)

Length may change depending on the environment.

d)

Length varies from one reference frame to another

118.

What must be the velocity of an object to escape a black hole?

a)

less than c

b)

equal to c

c)

zero

d)

greater than c

119.

How does General Relativity view gravity?

a)

Gravity warps space and time.

b)

Gravity is the curvature of space-time.

c)

Gravity warps mass.

d)

Gravity is a force.

120.

It is a branch of physics that includes various areas of study based on quantum theory which deals with matter and electromagnetic radiation, and the interactions between them.

a)

Optics

b)

Nuclear Physics

c)

Thermodynamics

d)

Quantum Physics

121.

He is the one who created the principle of gravity.

a)

Isaac Newton (1643-1727)

b)

Galileo Galilei (1564-1642)

c)

Albert Einstein (1879-1955)

d)

James Clerk Maxwell (1831-1871)

122.

When a photon falls on a surface what factor of photon determines whether Photoelectric effect takes place

a)

Energy

b)

Frequency

c)

Wavelength

d)

All of the above

123.

The wavelength is defined as:

a)

the distance traveled by a progressive wave in a second

b)

the distance traveled between corresponding points on adjacent waves in a period

c)

the distance traveled by a progressive wave in a half period

124.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal 
d)
transverse wave 
125.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
126.

A wave with a frequency of 1.150 x 10^3 Hz has a wavelength of

a)

2.7 x 10^5 m

b)

2.51 m

c)

2.61 x 10^5 m

d)

50 m

127.

Calculate the energy of a gamma ray photon whose frequency is 5.02 x 1020 Hz?

a)

4.73 x 1072 J

b)

2.07 x 10 6 J

c)

3.33 x 10-13 J

d)

1.21 x 10 35 J

128.
Electrons are emitted when light of sufficient energy strikes the surface of metal.  This is best described as
a)
the photoelectric effect
b)
Einstein's theory of relativity
c)
Bohr model of atom
d)
Quantum mechanical model of atom
129.
All objects in the universe attract each other through gravitation force is called...
a)
The Law of Universal Gravitation
b)
The Law of Conservation of Momentum
c)
The Law of Thermodynamics
d)
The Law of Monty the Snake
130.

Which is needed to determine the amount of gravitational force between two objects?

a)

distance and mass

b)

weight and time

c)

area and weight

131.
A baseball and bat are on the ground.   What is true?
a)
They attract each other with equal gravitational force.
b)
There is no gravitational force between them.
c)
The baseball will float because it's lighter.
d)
The bat will pull the baseball closer to itself.
132.

How is the gravitational force between to objects related to their mass

a)

They are directly proportional

b)

They are inversely proportional

c)

They do not affect each other

d)

They are equal

133.

The number 6.67 x 10 -11 N* m2 / kg2 is called the

a)

Universal speed constant

b)

centripetal force

c)

Universal Gravitational constant

d)

Earth's Gravitational constant

134.

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

a)

2.96x10-7N

b)

3.00x10-6N

c)

2.22x10-9N

d)

2.23x10-8N

135.
Complete the following statement: The farther away two planets are the _______ the gravitational force between them.
a)
more
b)
same
c)
dosen't matter
d)
less
136.

A 500 kg asteroid is located 3.4 x107m from the center of Earth. The mass of Earth is 6.0x1024 kg. What is the gravitational force between the asteroid and Earth?

F = GMm/r2

G= 6.67 x 10-11

a)

1.73 x 102 N

b)

4.63 x 105 N

c)

2.94 x 103 N

d)

6.42 x 104 N

137.

The law of universal gravitation is credited to whom?

a)

Einstein

b)

Galileo

c)

Darwin

d)

Newton

138.

The number of wave cycles to pass a given point per unit of time.

a)

Amplitude

b)

Wavelength

c)

Frequency

139.

Calculate the frequency of a photon of a wavelength

4 x 10-7 m

a)

7.5 × 10−14 Hz

b)

7.5 × 1014 Hz

c)

7.5 × 1014 cm

140.

Calculate the energy, in joules, of a photon of green light having a wavelength of 562 x 10-9m?

a)

3.537×10−19 J

b)

3.537×1019 J

c)

3.537×10−19 Hz

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