General Physics MCQs
General Physics MCQs
These General Physics multiple-choice questions and their answers will help you strengthen your grip on the subject of General Physics. You can prepare for an upcoming exam or job interview with these General Physics MCQs.
So scroll down and start answering.
1: ""conservation of energy"" refers to the fact that _____.
A. If you conserve energy you will not be as tired
B. The net amount of disorder is always increasing
C. No chemical reaction is 100 percent efficient
D. Energy cannot be created or destroyed but can be converted from one form to another
E. The entropy of the universe is always increasing
2: A 7-n vector at an angle of 45° to the horizontal has a vertical component that is about _______.
A. 5 N
B. 4 N
C. 2 N
D. 3 N
3: A ball thrown by a(n) __________ travels an average speed of 29 feet per second.
A. Rough-and-tumble
B. 6-year-old girl
C. Overweight
D. Bedwetting during the night
4: A book rests on a table. the forces acting on the book that keep it motionless are _______.
A. Gravity
B. Support force
C. Both
D. Normal force
5: A car impacting another car head-on will have ____________ the force of impact.
A. Same
B. Twice
C. Lessened
D. Three times
6: A column of mercury 76 cm tall has a weight that is equal to ___________.
A. That of a column of water 10.3 meters tall
B. Normal atmospheric pressure
C. The weight of Earth's atmosphere
D. 13.6 times the density of water
7: A helium-filled balloon will reach its maximum altitude when __________.
A. Its weight equals the weight of displaced air
B. The pressure decreases when the speed increases.
C. Air pressure is reduced over the curved top surface.
D. The balloon and surrounding air have equal densities.
8: A metal rod moving perpendicular to a magnetic field acts like a ________.
A. Battery
B. Violet
C. Energy
D. Charge
9: A refrigerator is an example of a __________.
A. Heat pump
B. Smaller
C. The pascal
D. ΔEth = 500J
10: A(n) ____’s main function is to help you understand the complexities of the real-world environment.
A. Name node
B. Hierarchical
C. Model
D. Client node
11: Air resistance on a parachutist at terminal speed _______.
A. Is greater for a heavier person
B. S less for a heavier person
C. Is greater for a lighterperson
D. None of these
12: Areas always have dimensions ____ while volumes always have dimensions ____.
A. L2 , L3
B. M2, m3
C. Both
D. None of these
13: As the temperature of a radiating surface is increased ________.
A. Gravity will increase
B. The total amount of energy emitted increases and a larger portion of the energy is radiated at sorter wavelengths
C. The solar wind increase
D. Continuous spectrum increase
14: As water warms, it ________.
A. Occur mostly in temperate areas
B. Nutrient pollution leading to marine algae blooms
C. Decreases in density
D. Are no‐take areas in the oceans
15: Complete the relationship. 1 km = __________ mm.
A. 1 ×10^6
B. 1 × 10^-6
C. 1 × 10^9
D. 1 × 10^-9.
16: Dark matter may explain _____
A. Unexpected orbital velocities of stars in galaxies
B. The source of energy that fuels stars
C. The expansion of the universe
D. The origin of life
E. What came before the big bang
17: Equations in conceptual physics are used mainly _______.
A. Scientist finds evidence
B. Guides to thinking
C. Pinhole images of the Sun
D. Hypothesis
18: Force vector components for a sled pulled at an upward angle _______.
A. Pushes harder on the floor while holding the rope
B. The expelled gas pushing on the rocket
C. Are normally at right angles to each other
19: Friction between sliding surfaces is caused by _____. inertia microwelds the normal force gravity
A. Inertia
B. Microwelds
C. The normal force
D. Gravity
20: If quantity x is conserved for a certain system and during a certain process, that means__________.
A. Quantity X for that system does not change in any way during that process.
B. Might have the same angular momentum but might not
C. When the total work done on the object is positive, the object's speed with increase.
D. An angular momentum of an object which is conserved.
21: If two runners take the same amount of time to run a mile, they have the same __________.
A. Acceleration
B. Force
C. Mass
D. Velocity
22: If a book is lying on table than an upward force of magnitude _____ is exerted on the _____ by the table.
A. 5N / book
B. 10N / table
C. 5N / table
D. 10N / book
23: In the situation described, the kinetic energy of the sled __________.
A. Remains
B. Constant
C. Decreases
D. Increases
24: Making popsicles _____________the entropy of the system.
A. Increases
B. Decreases
C. Does not effect
25: Of the following, ________ is the largest mass.
A. 2.5 × 106-2 mg
B. 2.5 × 10^15 pg
C. 25 kg
D. 2.5 × 10^10 ng
E. 2.5 × 10^ fg
26: Select all that apply. sound is a ____ wave.
A. Longitudinal
B. Transverse
C. Pressure
D. Circular
27: Specific agricultural uses of water are all of the following except _____.
A. Evaporation
B. Growing crops
C. Raising
D. Livestock cleaning up
E. Livestock waste
28: The power dissipated in a resistor can be written as __________.
A. (ΔVR)2/R
B. IΔVR
C. I2R
D. All of the listed answers are correct.
E. None of the listed answers are correct
29: The prefix in the term malignant is ___________.
A. Mal
B. Ml
C. Ma
D. Mm
30: The source of the centripetal force that arises when a runner rounds a curve on a track is _____.
A. Inertia
B. Friction
C. Velocity
D. None of these
31: A battery is connected to a resistor. increasing the resistance of the resistor will __________.
A. Increase the current in the circuit
B. Decrease the current in the circuit
C. Does not affect the circuit
32: Electric charge can be transferred from one conducting body to another _________.
A. By both contact and closeness
B. Loosely bound.
C. A specific large number of electrons.
D. Magnitude and separation distance
33: In a practical machine, the power output is _______ the power input
A. Equal to
B. Larger than
C. Smaller than
D. Multiplied by
34: One advantage of the __________ model is quick recognition.
A. Prototype
B. Exemplar
C. Language
D. Concept
35: Pascal's principle says that changes in pressure at any point in an enclosed fluid _____.
A. Remain only at the point
B. Quickly diminish from point to point in the fluid
C. Are transmitted to all points in the fluid
D. Are transmitted only to points below it
E. Are transmitted only to points close to it
36: Yellow light + blue light = _______ light
A. Magenta
B. Agree
C. White
D. Blue
37: To complete its outermost shell, oxygen will likely __________.
A. Give up electrons
B. Move electrons from the inner shells to the outer shell
C. Accept electrons
D. Accept some electrons and give up other electrons
38: In csma/ca, the amount of time a device is made to wait before it can transmit is called the ____.
A. Interframe space (ifs)
B. Free space (fs)
C. Frame time (ft)
D. Intraframe time (ift
39: The most common example of a(n) ____ switched network is the conventional telephone system.
A. Circuit
B. Packet
C. Broadcast
D. Isynchronous
40: A mole of red photons of wavelength 725 nm has ________ kj of energy.
A. 6.05 x 10−3
B. 2.74 x 10−19
C. 4.56 x 10−19
D. 227
E. 165
41: A(n) ________ chip converts sound waves from a voice into a digital signal.
A. Analog-to-digital converter
B. Telephony
C. Digital signal processor
D. Digital convergence
42: All waves consist of some sort of ______ that transmits energy.
A. Medium
B. Force
C. Disturbance
D. Particles
43: An upward force of magnitude _____ is exerted on the _____ by the table.
A. 5N/ book
B. 6N/ book
C. 7N/ book
D. 4N/ book
44: Normal faults occur from _____ stress and reverse faults occur from _____ stress.
A. Compressive ,tensional
B. Tensional ,compressive
C. Tensional ,shear
D. None of these
45: Of the following choices, the best conductor is _____.
A. Static
B. Copper
C. Wood
D. Plastic
46: The force acting on the particle at point a is __________
A. Directed to the right
B. Directed to the left
C. Equal to zero
D. None of these
47: The force exerted on the rope by the ceiling is in the _____ direction.
A. Upward
B. Downward
C. None of these
D. All of these
48: The rate constant of a first-order process that has a half-life of 3.50 min is ________ s-1.
A. 0.693
B. 1.65×10−2
C. 1.98
D. 0.198
E. 3.30×10−3
49: Including a full-wave rectifier in an ac circuit will yield a(n) _______ current
A. Continuous alternating
B. Continuous direct
C. Intermittent alternating
D. Intermittent direct
50: Increase in stimulus intensity _______.
A. Increases the size of the action potential
B. Has no effect on action potentials
C. Increases the frequency of action potentials
D. Increases the duration of the action potentia
51: For two nucleons 2 fm apart, the strong force is __________.
A. Strongest for two interacting neutrons.
B. Strongest for a proton interacting with a neutron.
C. Strongest for two interacting protons.
D. Equally strong for any combination of protons and neutrons
52: Newton's _____ law explains why my hands hurt when i clap loudly.
A. 1st
B. 2nd
C. 3rd
D. All of the above
53: The acceleration vector of a particle in uniform circular motion __________.
A. Points outward from the center of the circle.
B. Points toward the center of the circle.
C. Is zero.
D. Points along the circular path of the particle and opposite the direction of motion
54: First, consider a book resting on a horizontal table.
A. The downward force acting on the book is __________.
B. A contact force
C. A long-range force
55: The element in an incandescent light bulb that releases light energy is _____.
A. A phosphor
B. Mercury vapor
C. A thin tungsten filament
D. A thick tungsten filament
56: The energy of a photon of red light is ____ the energy of a photon of blue light.
A. Larger than
B. The same as
C. Smaller than
D. None of the above
57: The energy of a photon that has a wavelength of 12.3 nm is __________ j.
A. 1.62 x 10^-17
B. -1.36 x 10^-19
C. 3.0 x 10^-19
D. 2.2 x 10^-26
58: The focal length __________ when the diameter of the lens is increased.
A. Decreases
B. Does not change
C. Increases
D. None of the above
59: The foci of the elliptical path for an earth satellite are __________.
A. One at Earth's center and the other elsewhere
B. One atop the other at Earth's center
C. Both inside Earth
D. Both outside Earth
60: The tangential speed on the outer edge of a rotating carousel is _______.
A. Four times as great for twice the distance
B. Greater than toward the center
C. Less than toward the center
D. The same as toward the center
61: The voltages across the resistor and generator are ___________________.
A. Always out of phase
B. Always zero
C. Always equal
D. None of the above
62: The wavelength of light that has a frequency of 1.20 x 1013 s-1 is ________ m.
A. 25.0
B. 2.50 * 10-5
C. 10,000
D. Depends on wavelenth
63: The figure shows an electric circuit that has a form of rectangle. A battery is on the left side of the rectangle, a lightbulb is on the topside of the rectangle, and another lightbulb is on the right side of the rectangle. The bulbs in the circuit below are connected __________.
A. In series
B. In parallel
C. Both
D. None
64: The electric potential inside a parallel-plate capacitor __________.
A. Decreases inversely with the square of the distance from the negative plate
B. Decreases linearly from the negative to the positive plate
C. Increases linearly from the negative to the positive plate
D. Is constant
E. Decreases inversely with distance from the negative plate
65: The field inside a charged parallel-plate capacitor is __________.
A. Zero
B. Uniform
C. Parallel to the plates
D. Perpendicular to the plates
66: When the stimulus voltage is increased, _______.
A. A greater-than-threshold depolarization results and sodium permeability into the cell increases to overcome the potassium exiting.
B. A greater-than-threshold depolarization results and sodium permeability into the cell decreases to overcome the potassium exiting.
C. A second action potential is generated until the interval reaches the absolute refractory period
D. Some sodium channels have been inactivated and cannot be reopened immediately
67: A typical efficiency of the human body is about _____.
A. 25%
B. 35%
C. 55%
D. 45
68: When the quantity q is greater than zero, __________ is added to the system.
A. Heat
B. Thermal energy
C. Water
D. None of the above
69: The constant g in newton's equation _______.
A. Is force decreases to one quarter
B. Makes the units of measurement consistent
C. 6.67 × 10^ -11 N
D. None of these
70: If you know that a person is running 100 feet every 12 seconds, you can determine their __________.
A. Acceleration
B. Force
C. Velocity
D. None of these
71: Mountains formed by two colliding continents often contain marine _______ rock.
A. Sedimntary
B. Igneous
C. Metaphorphic
D. Limestone
72: The _____ law of thermodynamics states that not all energy is used because _____.
A. First; some of the energy disperses as heat
B. Second; some of the energy is destroyed
C. First; some of the energy is destroyed
D. Second;some of the energy disperses as heat
73: The core of a star must reach a temperature of _____ degrees celsius for hydrogen fusion to begin.
A. 10,000
B. 100,000
C. 1,000,000
D. 10,000,000
74: Newton's second law of motion links force, acceleration, and _______.
A. Weight
B. Time
C. Changes in motion
D. Mass
75: According to the principle of overload you should __________.
A. Gradually increase the difficulty of a workout
B. Gradually decrease the difficulty of a workout
C. Engage in challenging exercise during workouts
D. Vary the exercises in a workout over time
76: The charge on a gamma ray is ____. (1 point)
A. 2
B. 1
C. -2
77: The thermodynamic processes that occur in nature ____________
A. Can not be reversed
B. Convert thermal energy
C. Into mechanical energy
D. Lead to a more ordered state
78: ____ tend to have the most intense feelings concerning death.
A. Young children
B. Adolescents
C. Young adults
D. Older adults
79: Am stations broadcast on _________ that are measured in thousands of cycles per second.
A. Frequencies
B. Waves
C. Photons
D. Sensors
80: For most atoms, a stable configuration of electrons is attained when the atom __________.
A. Has as many protons as neutrons
B. Has moved all its electrons to its outermost shell
C. Achieves a zero net charge
D. Has eight electrons in its outermost shell
E. None of the listed responses is correct
81: If the speed of the magnet is doubled, the induced voltage is ________ .
A. Twice as great
B. Four times as great
C. Half as great
D. Unchanged
82: In order that electromagnetic induction occurs in a circuit there must be a _________.
A. Meter to measure current
B. Battery or some other voltage source
C. Coil of wire
D. Change in magnetic field intensity
83: Particles in a _______ wave move in an elliptical or circular motion
A. Surface
B. Transverse
C. Longitudinal
D. Sound
84: The ___________ is a plane perpendicular to the optic axis through the focal point.
A. Optic axis
B. Focal point
C. Light ray
D. Paraxial ray approximation
E. Focal plane
85: The magnetism of a permanent magnet results from __________.
A. The magnetic moments of nuclei in the material making up the magnet
B. Interactions with Earth's magnetic field
C. The magnetic moments of electrons in the material making up the magnet
D. Electric currents inside the magnet
86: When the temperature of a strip of iron is increased, the length of the strip _______.
A. Also increases.
B. Actually decreases.
C. May increase and may decrease.
D. Decreases in width as it gets longer
87: A nuclear change involves a change in _____.
A. An atom,
B. Plasma,
C. Fission,
D. Radiation,
E. Fusion
88: A thermos bottle _____.
A. Conduction
B. Convection
C. Radiation
D. All of them
89: A thermostat is to a house as the _____ is to the body.
A. Hypothalamus
B. Sensory neurons
C. Thalamus
D. Threshold
90: Air spaces are used in insulation because _____.
A. Air is a poor conductor
B. Radiation
C. Water warming on a stove
D. Greater thermal conductivity
91: Changes of phase most always require _________.
A. A transfer of energy
B. From gas to liquid
C. Pressure is sufficiently lowered
D. Prevent cooling from occurring
92: Pitch is to frequency as ________.
A. Damage to the cochlea
B. High-pitched sounds
C. Amplitude; loudness
D. Audition and the vestibular sense
93: The change of phase from a solid to a gas is called _____.
A. Sublimation
B. Strong acid
C. Condensation
D. Acid
94: When a red rose is held in white light, the color of its petals appears _________.
A. Red
B. Blue
C. Green
D. Black
95: The symbol shown represents a _____.
A. Changing
B. Radiation
C. Battery
D. Is greater
96: A _______ is a mound of ocean water that's driven toward coastal areas by hurricane-force winds
A. Tsunami
B. Rogue wave
C. Cyclone
D. Storm surge
97: If a sound increases 5 db, the sound becomes _______ times louder.
A. Five
B. Fifteen
C. Three
D. Ten
98: Reflecting telescopes are popular because they're _______ than a refracting telescope.
A. Easier to build
B. More powerful
C. More durable
D. Smaller
99: The acceleration vector of a particle in projectile motion ________.
A. Is directed horizontally.
B. Points along the path of the particle.
C. Vanishes at the particle's highest point.
D. Is directed down at all times
100: The entropy of an isolated system _________.
A. Either increases or remains constant.
B. Remains constant.
C. Either decreases or remains constant.
D. Always decreases.
E. Always increases
F. Always increases or remains constant
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