Success in the AP Physics comes from consistent preparation and smart practice. This test is designed to provide both. By working through realistic questions, you’ll gain insight into how the exam is structured and what areas require more focus. Don’t rush through the questions — take time to understand each concept and learn from your mistakes. Over time, this process will help you build both knowledge and confidence.
Updated for 2026: This guide provides a structured approach to help you prepare effectively, understand key concepts, and practice real exam-level questions.
How to Use This Practice Test
- Start by reviewing key concepts before attempting questions
- Take the test in a timed environment
- Analyze your mistakes and revisit weak areas
Why This Practice Test Matters
This practice test is designed to simulate the real exam environment and help you identify knowledge gaps, improve accuracy, and build confidence.
| Exam Name | AP Physics Practice Exam |
|---|---|
| Exam Provider | College Board |
| Exam Type | Advanced Placement (AP) High School Exam |
| Total Practice Questions | 120+ Practice Questions (MCQs + Graph-Based + Conceptual Problems) – Updated for 2026 |
| Coverage Topics | • Kinematics (Motion Graphs, Velocity & Acceleration) • Newton’s Laws of Motion & Forces • Work, Energy & Power • Momentum & Collisions • Circular Motion & Gravitation • Waves, Sound & Optics • Electricity & Circuits (Ohm’s Law, Power) • Thermodynamics & Fluids • Modern Physics (Photoelectric Effect, Photons) |
| Question Format | • Multiple Choice Questions (MCQs) • Graph-Based & Data Interpretation Questions • Scenario-Based & Conceptual Physics Problems |
| Difficulty Level | Intermediate to Advanced (Aligned with Real AP Physics Exam) |
| Skills Developed | • Problem-solving & quantitative reasoning • Graph analysis (motion, circuits, waves) • Conceptual understanding of physical laws • Application of formulas to real-world scenarios |
| Study Tips | • Master core formulas and units • Practice interpreting motion and circuit graphs • Focus on conceptual understanding, not just memorization • Solve multi-step problems regularly |
| Best For | High school students preparing for AP Physics exam (Score 4–5 target) |
| Updated | 2026 Latest Version |
1.
A car accelerates uniformly from rest at 2 m/s² for 5 seconds. What is its final velocity?
A. 5 m/s
B. 10 m/s
C. 15 m/s
D. 20 m/s
Answer: B. 10 m/s
Rationale: v=at=2×5=10 m/sv = at = 2 × 5 = 10 \, m/s
2.
Which quantity is a vector?
A. Speed
B. Distance
C. Velocity
D. Time
Answer: C
Rationale: Velocity has both magnitude and direction.
3.
An object moves with constant velocity. Its acceleration is:
A. Positive
B. Negative
C. Zero
D. Increasing
Answer: C
Rationale: No change in velocity means zero acceleration.
4.
According to Newton’s Second Law:
A. F = ma
B. F = mv
C. F = m/a
D. F = a/m
Answer: A
Rationale: Force equals mass times acceleration.
5.
A 2 kg object experiences a net force of 10 N. Its acceleration is:
A. 2 m/s²
B. 5 m/s²
C. 10 m/s²
D. 20 m/s²
Answer: B
Rationale: a=F/m=10/2=5 m/s2a = F/m = 10/2 = 5 \, m/s²
6.
What is the unit of work?
A. Watt
B. Joule
C. Newton
D. Pascal
Answer: B
Rationale: Work is measured in joules.
7.
Work is defined as:
A. Force × time
B. Force × distance
C. Mass × acceleration
D. Energy × time
Answer: B
Rationale: Work = force × displacement.
8.
Which energy is due to motion?
A. Potential
B. Thermal
C. Kinetic
D. Chemical
Answer: C
Rationale: Kinetic energy depends on velocity.
9.
Kinetic energy formula is:
A. mv
B. ½mv²
C. mgh
D. Fd
Answer: B
Rationale: KE depends on mass and velocity squared.
10.
Potential energy near Earth is:
A. ½mv²
B. mgh
C. Fd
D. mv
Answer: B
Rationale: Depends on height and gravity.
11.
Momentum is defined as:
A. mv²
B. ma
C. mv
D. Fd
Answer: C
Rationale: Momentum = mass × velocity.
12.
Impulse equals:
A. Force × time
B. Mass × velocity
C. Energy × time
D. Force × distance
Answer: A
Rationale: Impulse changes momentum.
13.
Which law states momentum is conserved?
A. Newton’s 1st
B. Newton’s 2nd
C. Newton’s 3rd
D. Conservation of momentum
Answer: D
Rationale: Momentum remains constant in isolated systems.
14.
A wave transfers:
A. Matter
B. Energy
C. Mass
D. Force
Answer: B
Rationale: Waves carry energy without transporting matter.
15.
Which wave requires a medium?
A. Light
B. Sound
C. X-rays
D. Gamma rays
Answer: B
Rationale: Sound is mechanical.
16.
Frequency is measured in:
A. m/s
B. Hz
C. N
D. J
Answer: B
Rationale: Hertz = cycles per second.
17.
Wave speed formula is:
A. v = fλ
B. v = m/a
C. v = F/m
D. v = d/t
Answer: A
Rationale: Speed = frequency × wavelength.
18.
Which law governs electric force?
A. Newton’s Law
B. Coulomb’s Law
C. Ohm’s Law
D. Faraday’s Law
Answer: B
Rationale: Force between charges.
19.
Electric current is:
A. Voltage
B. Charge flow per time
C. Resistance
D. Energy
Answer: B
Rationale: Current = charge/time.
20.
Unit of current is:
A. Volt
B. Ohm
C. Ampere
D. Watt
Answer: C
Rationale: SI unit of current.
21.
Ohm’s Law is:
A. V = IR
B. V = I/R
C. I = VR
D. R = VI
Answer: A
Rationale: Voltage equals current times resistance.
22.
Which increases resistance?
A. Shorter wire
B. Thicker wire
C. Longer wire
D. Higher voltage
Answer: C
Rationale: Resistance ∝ length.
23.
Power is defined as:
A. Work/time
B. Force/time
C. Energy/distance
D. Velocity/time
Answer: A
Rationale: Rate of doing work.
24.
Unit of power is:
A. Joule
B. Watt
C. Volt
D. Amp
Answer: B
Rationale: 1 watt = 1 J/s.
25.
Which force acts toward Earth’s center?
A. Friction
B. Tension
C. Gravity
D. Normal
Answer: C
Rationale: Gravity pulls objects downward.
26.
Newton’s Third Law states:
A. F = ma
B. Objects resist motion
C. Action-reaction pairs
D. Energy conserved
Answer: C
Rationale: Equal and opposite forces.
27.
Friction opposes:
A. Gravity
B. Motion
C. Energy
D. Mass
Answer: B
Rationale: Resists motion.
28.
Acceleration due to gravity on Earth is:
A. 5 m/s²
B. 9.8 m/s²
C. 12 m/s²
D. 20 m/s²
Answer: B
Rationale: Standard value.
29.
Which quantity is conserved in elastic collisions?
A. Energy only
B. Momentum only
C. Both energy and momentum
D. Neither
Answer: C
Rationale: Both are conserved.
30.
Which type of energy is stored in a stretched spring?
A. Kinetic
B. Thermal
C. Elastic potential
D. Chemical
Answer: C
Rationale: Stored due to deformation.
31.
A velocity–time graph with a positive slope represents:
A. Constant velocity
B. Increasing acceleration
C. Constant acceleration
D. Decreasing velocity
Answer: C. Constant acceleration
Rationale: Slope of v–t graph = acceleration.
32.
The area under a velocity–time graph represents:
A. Acceleration
B. Displacement
C. Force
D. Energy
Answer: B
Rationale: Area = velocity × time = displacement.
33.
An object in free fall has:
A. Increasing velocity
B. Zero acceleration
C. Constant velocity
D. No motion
Answer: A
Rationale: Gravity accelerates the object downward.
34.
A force applied at an angle does work based on:
A. Total force
B. Vertical component
C. Horizontal component
D. Perpendicular component
Answer: C
Rationale: Work depends on force in direction of displacement.
35.
Which situation has zero work done?
A. Lifting a box
B. Pushing a wall
C. Pulling a sled
D. Moving a cart
Answer: B
Rationale: No displacement = no work.
36.
Which has the greatest momentum?
A. Small mass, high speed
B. Large mass, low speed
C. Equal mass and velocity
D. Depends on both mass and velocity
Answer: D
Rationale: Momentum = mv.
37.
Impulse changes:
A. Velocity
B. Acceleration
C. Momentum
D. Energy
Answer: C
Rationale: Impulse = change in momentum.
38.
In an inelastic collision:
A. Momentum not conserved
B. Energy conserved
C. Kinetic energy not conserved
D. Velocity constant
Answer: C
Rationale: Some KE lost.
39.
Which law explains why rockets move forward?
A. Newton’s 1st
B. Newton’s 2nd
C. Newton’s 3rd
D. Conservation of energy
Answer: C
Rationale: Action-reaction forces.
40.
Centripetal force acts:
A. Outward
B. Inward
C. Upward
D. Downward
Answer: B
Rationale: Toward center of circular motion.
41.
Centripetal acceleration depends on:
A. Velocity and radius
B. Mass only
C. Force only
D. Time only
Answer: A
Rationale: a=v2/ra = v^2 / r
42.
Which increases centripetal force?
A. Lower speed
B. Larger radius
C. Higher speed
D. Lower mass
Answer: C
Rationale: Force increases with velocity squared.
43.
Gravitational force depends on:
A. Mass and distance
B. Velocity
C. Time
D. Energy
Answer: A
Rationale: F=Gm1m2r2F = G \frac{m_1 m_2}{r^2}
44.
As distance between objects increases, gravity:
A. Increases
B. Decreases
C. Stays constant
D. Doubles
Answer: B
Rationale: Inverse square relationship.
45.
Which law explains orbiting planets?
A. Newton’s Laws
B. Kepler’s Laws
C. Ohm’s Law
D. Hooke’s Law
Answer: B
Rationale: Describes planetary motion.
46.
Hooke’s Law is:
A. F = ma
B. F = kx
C. V = IR
D. E = mc²
Answer: B
Rationale: Force proportional to displacement.
47.
Which graph is linear for Hooke’s Law?
A. Force vs displacement
B. Velocity vs time
C. Energy vs time
D. Mass vs force
Answer: A
Rationale: Direct proportionality.
48.
Which increases electric force?
A. Smaller charges
B. Larger distance
C. Larger charges
D. Lower voltage
Answer: C
Rationale: Force ∝ charge.
49.
Electric field is:
A. Force per charge
B. Energy per charge
C. Current per time
D. Voltage per resistance
Answer: A
Rationale: E=F/qE = F/q
50.
Voltage is:
A. Current
B. Resistance
C. Energy per charge
D. Power
Answer: C
Rationale: V=W/qV = W/q
51.
In series circuits, current is:
A. Different
B. Same
C. Zero
D. Infinite
Answer: B
Rationale: Same current flows.
52.
In parallel circuits, voltage is:
A. Same
B. Different
C. Zero
D. Infinite
Answer: A
Rationale: Same across branches.
53.
Total resistance in series:
A. Decreases
B. Increases
C. Constant
D. Zero
Answer: B
Rationale: Resistances add.
54.
Total resistance in parallel:
A. Increases
B. Decreases
C. Same
D. Zero
Answer: B
Rationale: Inverse addition.
55.
Power in circuits is:
A. V/I
B. IV
C. I/R
D. V²
Answer: B
Rationale: P=IVP = IV
56.
Which wave has highest frequency?
A. Radio
B. Microwave
C. Visible
D. Gamma
Answer: D
Rationale: Highest energy waves.
57.
Which wave has longest wavelength?
A. Gamma
B. X-ray
C. Radio
D. UV
Answer: C
Rationale: Lowest frequency.
58.
Refraction occurs when:
A. Light reflects
B. Light bends
C. Light stops
D. Light disappears
Answer: B
Rationale: Change in medium.
59.
Which law describes reflection?
A. Angle in = angle out
B. F = ma
C. V = IR
D. E = mc²
Answer: A
Rationale: Equal angles.
60.
Which energy transformation occurs in a generator?
A. Electrical → Mechanical
B. Mechanical → Electrical
C. Thermal → Electrical
D. Chemical → Electrical
Answer: B
Rationale: Motion generates electricity.
61.
A ball is thrown upward. At the highest point, its velocity is:
A. Maximum
B. Zero
C. Negative
D. Constant
Answer: B. Zero
Rationale: At peak height, velocity momentarily becomes zero.
62.
At the highest point of motion, acceleration is:
A. Zero
B. Maximum
C. 9.8 m/s² downward
D. Upward
Answer: C
Rationale: Gravity still acts downward.
63.
If net force is zero, an object:
A. Stops
B. Moves with constant velocity
C. Accelerates
D. Changes direction
Answer: B
Rationale: Newton’s First Law.
64.
Which quantity is conserved in all collisions?
A. Kinetic energy
B. Momentum
C. Force
D. Velocity
Answer: B
Rationale: Momentum is always conserved.
65.
In elastic collisions:
A. Only momentum conserved
B. Only energy conserved
C. Both conserved
D. Neither conserved
Answer: C
Rationale: KE and momentum both conserved.
66.
Work done by gravity on a falling object is:
A. Negative
B. Positive
C. Zero
D. Constant
Answer: B
Rationale: Force and motion are in same direction.
67.
Which has maximum gravitational potential energy?
A. Object at ground
B. Object at height
C. Moving object
D. Falling object
Answer: B
Rationale: PE increases with height.
68.
Mechanical energy is:
A. KE only
B. PE only
C. KE + PE
D. Force × time
Answer: C
Rationale: Total mechanical energy.
69.
If friction is present, mechanical energy:
A. Conserved
B. Lost as heat
C. Doubles
D. Increases
Answer: B
Rationale: Converted to thermal energy.
70.
Which quantity determines rotational inertia?
A. Speed
B. Mass distribution
C. Time
D. Energy
Answer: B
Rationale: Depends on how mass is distributed.
71.
Torque is:
A. Force × distance
B. Mass × velocity
C. Energy × time
D. Force × acceleration
Answer: A
Rationale: Rotational equivalent of force.
72.
Angular velocity is measured in:
A. m/s
B. rad/s
C. N
D. J
Answer: B
Rationale: Radians per second.
73.
Which law explains conservation of angular momentum?
A. Newton’s Laws
B. Kepler’s Laws
C. Conservation laws
D. Ohm’s Law
Answer: C
Rationale: Angular momentum conserved in closed systems.
74.
If radius decreases in rotation, angular velocity:
A. Decreases
B. Increases
C. Stays constant
D. Becomes zero
Answer: B
Rationale: Conservation of angular momentum.
75.
Which is a transverse wave?
A. Sound
B. Water surface wave
C. Compression wave
D. Air wave
Answer: B
Rationale: Oscillations perpendicular.
76.
Which is a longitudinal wave?
A. Light
B. Sound
C. Water wave
D. Electromagnetic
Answer: B
Rationale: Oscillations parallel.
77.
Wave interference results in:
A. Reflection
B. Diffraction
C. Superposition
D. Refraction
Answer: C
Rationale: Waves combine.
78.
Constructive interference occurs when waves:
A. Cancel
B. Reinforce
C. Reflect
D. Bend
Answer: B
Rationale: Amplitudes add.
79.
Destructive interference occurs when:
A. Waves reinforce
B. Waves cancel
C. Waves speed up
D. Waves stop
Answer: B
Rationale: Opposite phases cancel.
80.
Electric potential energy depends on:
A. Charge and distance
B. Mass only
C. Velocity
D. Time
Answer: A
Rationale: Depends on interaction of charges.
81.
Capacitance is:
A. Resistance
B. Charge storage ability
C. Voltage
D. Current
Answer: B
Rationale: Stores electric charge.
82.
Unit of capacitance is:
A. Volt
B. Amp
C. Farad
D. Ohm
Answer: C
Rationale: SI unit.
83.
Magnetic force acts on:
A. Stationary charges
B. Moving charges
C. Mass
D. Energy
Answer: B
Rationale: Requires motion.
84.
Which rule determines direction of magnetic force?
A. Left-hand rule
B. Right-hand rule
C. Newton’s law
D. Ohm’s law
Answer: B
Rationale: Used for current and magnetic field.
85.
Induced current is produced by:
A. Constant field
B. Changing magnetic field
C. Static charge
D. Voltage
Answer: B
Rationale: Faraday’s Law.
86.
Which device uses electromagnetic induction?
A. Battery
B. Generator
C. Resistor
D. Capacitor
Answer: B
Rationale: Converts motion to electricity.
87.
Photon energy depends on:
A. Speed
B. Frequency
C. Mass
D. Time
Answer: B
Rationale: E=hfE = hf
88.
Which has highest photon energy?
A. Radio
B. Infrared
C. Visible
D. Gamma
Answer: D
Rationale: Highest frequency.
89.
Photoelectric effect proves light is:
A. Wave only
B. Particle
C. Sound
D. Matter
Answer: B
Rationale: Light behaves as photons.
90.
Which constant relates energy and frequency?
A. Gravitational constant
B. Planck’s constant
C. Coulomb constant
D. Gas constant
Answer: B
Rationale: E=hfE = hf
91.
Pressure is defined as:
A. Force × area
B. Force ÷ area
C. Mass × acceleration
D. Energy ÷ time
Answer: B. Force ÷ area
Rationale: P=FAP = \frac{F}{A}
92.
Unit of pressure is:
A. Newton
B. Joule
C. Pascal
D. Watt
Answer: C
Rationale: SI unit is Pascal (N/m²).
93.
As depth in a fluid increases, pressure:
A. Decreases
B. Increases
C. Stays constant
D. Becomes zero
Answer: B
Rationale: Pressure increases with depth.
94.
Buoyant force depends on:
A. Object mass
B. Fluid density
C. Velocity
D. Time
Answer: B
Rationale: Depends on displaced fluid.
95.
Archimedes’ principle states:
A. Force equals mass
B. Buoyant force equals weight of displaced fluid
C. Energy conserved
D. Pressure constant
Answer: B
Rationale: Fundamental fluid principle.
96.
Bernoulli’s principle relates:
A. Energy and mass
B. Pressure and velocity
C. Force and time
D. Heat and work
Answer: B
Rationale: Faster fluid → lower pressure.
97.
Continuity equation states:
A. Energy conserved
B. Flow rate constant
C. Force constant
D. Pressure constant
Answer: B
Rationale: A1v1=A2v2A_1v_1 = A_2v_2
98.
Heat is:
A. Energy transfer
B. Temperature
C. Force
D. Pressure
Answer: A
Rationale: Transfer due to temperature difference.
99.
Temperature measures:
A. Energy
B. Average kinetic energy
C. Heat
D. Work
Answer: B
Rationale: Molecular motion.
100.
First law of thermodynamics:
A. Energy destroyed
B. Energy conserved
C. Heat lost
D. Work constant
Answer: B
Rationale: Energy conservation.
101.
Which process has no heat exchange?
A. Isothermal
B. Adiabatic
C. Isobaric
D. Isochoric
Answer: B
Rationale: No heat transfer.
102.
Which process occurs at constant temperature?
A. Adiabatic
B. Isothermal
C. Isochoric
D. Isobaric
Answer: B
Rationale: Temperature constant.
103.
Work done by gas equals:
A. Pressure × volume change
B. Mass × velocity
C. Energy × time
D. Force × time
Answer: A
Rationale: W=PΔVW = PΔV
104.
Efficiency of heat engine is:
A. Output/input
B. Input/output
C. Heat/work
D. Energy/time
Answer: A
Rationale: Efficiency = useful output ÷ input.
105.
Second law of thermodynamics states:
A. Energy conserved
B. Entropy increases
C. Heat constant
D. Work zero
Answer: B
Rationale: Disorder increases.
106.
Which process converts heat to work?
A. Refrigerator
B. Heat engine
C. Generator
D. Capacitor
Answer: B
Rationale: Heat engine operation.
107.
Which lens converges light?
A. Concave
B. Convex
C. Flat
D. Diverging
Answer: B
Rationale: Convex lens focuses light.
108.
Which lens diverges light?
A. Convex
B. Concave
C. Plane
D. Thick
Answer: B
Rationale: Spreads rays outward.
109.
Focal point is:
A. Point where rays meet
B. Point of reflection
C. Energy point
D. Center of lens
Answer: A
Rationale: Convergence point.
110.
Image in plane mirror is:
A. Real
B. Inverted
C. Virtual
D. Magnified
Answer: C
Rationale: Cannot be projected.
111.
Which mirror forms real image?
A. Plane
B. Convex
C. Concave
D. Flat
Answer: C
Rationale: Concave can form real images.
112.
Refraction occurs due to:
A. Speed change
B. Direction change only
C. Energy change
D. Mass change
Answer: A
Rationale: Light changes speed in medium.
113.
Snell’s Law relates:
A. Angles and speed
B. Angles and refractive index
C. Force and motion
D. Energy and time
Answer: B
Rationale: n1sinθ1=n2sinθ2n_1 \sinθ_1 = n_2 \sinθ_2
114.
Critical angle occurs when:
A. Reflection
B. Refraction
C. Total internal reflection
D. Absorption
Answer: C
Rationale: Light reflects completely.
115.
Which phenomenon explains fiber optics?
A. Reflection
B. Refraction
C. Total internal reflection
D. Diffraction
Answer: C
Rationale: Light trapped inside.
116.
Diffraction occurs when waves:
A. Reflect
B. Spread through openings
C. Speed up
D. Stop
Answer: B
Rationale: Wave bending.
117.
Interference pattern depends on:
A. Mass
B. Wavelength
C. Time
D. Energy
Answer: B
Rationale: Determines spacing.
118.
Which has shortest wavelength?
A. Radio
B. Microwave
C. X-ray
D. Visible
Answer: C
Rationale: High frequency → short wavelength.
119.
Which phenomenon shows wave nature of light?
A. Photoelectric effect
B. Diffraction
C. Energy
D. Charge
Answer: B
Rationale: Wave behavior.
120.
Which phenomenon shows particle nature of light?
A. Reflection
B. Refraction
C. Photoelectric effect
D. Diffraction
Answer: C
Rationale: Photon behavior.
🚗 Section 1: Motion Graphs (Kinematics)
1.
A position–time graph is a straight line with constant slope. This indicates:
A. Increasing velocity
B. Constant velocity
C. Acceleration
D. Zero motion
Answer: B
Rationale: Slope of position-time = velocity; constant slope = constant velocity.
2.
A position–time graph curves upward (concave up). This indicates:
A. Constant velocity
B. Negative acceleration
C. Positive acceleration
D. Zero acceleration
Answer: C
Rationale: Increasing slope means increasing velocity → acceleration.
3.
A velocity–time graph is horizontal above zero. This means:
A. Object accelerating
B. Object at rest
C. Constant positive velocity
D. Negative velocity
Answer: C
Rationale: Constant velocity → no acceleration.
4.
Area under a velocity–time graph gives:
A. Acceleration
B. Force
C. Displacement
D. Speed
Answer: C
Rationale: Area = displacement.
5.
Slope of a velocity–time graph represents:
A. Speed
B. Distance
C. Acceleration
D. Energy
Answer: C
Rationale: Rate of change of velocity.
6.
If velocity–time graph crosses the time axis:
A. Object stops and reverses direction
B. Acceleration becomes zero
C. Speed increases
D. Force disappears
Answer: A
Rationale: Velocity changes sign → direction changes.
7.
A flat line on acceleration–time graph means:
A. Changing acceleration
B. Constant acceleration
C. Zero velocity
D. Increasing force
Answer: B
Rationale: Constant value = constant acceleration.
8.
Area under acceleration–time graph represents:
A. Displacement
B. Velocity change
C. Force
D. Energy
Answer: B
Rationale: Integral of acceleration = velocity.
9.
If velocity decreases linearly on graph:
A. Constant acceleration
B. Increasing acceleration
C. Zero acceleration
D. Variable force
Answer: A
Rationale: Straight decreasing line → constant negative acceleration.
10.
Steeper slope in position–time graph means:
A. Lower velocity
B. Higher velocity
C. Zero acceleration
D. Constant energy
Answer: B
Rationale: Greater slope = higher velocity.
🔌 Section 2: Circuits & Electricity Graphs
11.
A current vs voltage graph is a straight line through origin. This indicates:
A. Non-ohmic material
B. Constant resistance
C. Increasing resistance
D. Zero current
Answer: B
Rationale: Ohm’s Law behavior.
12.
Slope of I–V graph represents:
A. Resistance
B. Power
C. Conductance
D. Voltage
Answer: C
Rationale: Slope = I/V = 1/R.
13.
A steeper I–V graph means:
A. Higher resistance
B. Lower resistance
C. Higher voltage
D. Lower current
Answer: B
Rationale: Greater slope = more current per voltage.
14.
A curved I–V graph indicates:
A. Ohmic behavior
B. Constant resistance
C. Non-ohmic device
D. Zero resistance
Answer: C
Rationale: Resistance changes with voltage.
15.
In power vs current graph, power increases with:
A. Current squared
B. Current
C. Voltage only
D. Time
Answer: A
Rationale: P=I2RP = I^2 R
16.
A horizontal line in current-time graph means:
A. Changing current
B. Constant current
C. Zero current
D. Increasing voltage
Answer: B
Rationale: No change over time.
17.
Area under current-time graph represents:
A. Voltage
B. Resistance
C. Charge
D. Power
Answer: C
Rationale: Q=ItQ = It
18.
If resistance increases, I–V graph slope:
A. Increases
B. Decreases
C. Stays same
D. Doubles
Answer: B
Rationale: Slope = 1/R.
19.
A vertical line in I–V graph means:
A. Constant voltage
B. Infinite resistance
C. Zero resistance
D. Constant current
Answer: A
Rationale: Voltage fixed.
20.
A horizontal I–V line indicates:
A. Infinite resistance
B. Zero resistance
C. Constant current
D. Variable voltage
Answer: C
Rationale: Current unchanged.
🔍 Section 3: Optics & Wave Graphs
21.
A wave graph with higher peaks indicates:
A. Higher frequency
B. Greater amplitude
C. Lower wavelength
D. Lower energy
Answer: B
Rationale: Amplitude = height of wave.
22.
Shorter wavelength on graph means:
A. Lower frequency
B. Higher frequency
C. Lower speed
D. No change
Answer: B
Rationale: Frequency inversely proportional to wavelength.
23.
A wave with larger frequency has:
A. Longer wavelength
B. Shorter wavelength
C. Lower energy
D. Same speed
Answer: B
Rationale: v=fλv = fλ
24.
Intensity of light depends on:
A. Frequency
B. Amplitude squared
C. Wavelength
D. Speed
Answer: B
Rationale: Intensity ∝ amplitude².
25.
Constructive interference graph shows:
A. Cancellation
B. Larger amplitude
C. Smaller amplitude
D. Zero wave
Answer: B
Rationale: Waves add.
26.
Destructive interference graph shows:
A. Larger peaks
B. Cancellation
C. Increased frequency
D. Increased speed
Answer: B
Rationale: Waves cancel out.
27.
A ray diagram with converging rays indicates:
A. Concave lens
B. Convex lens
C. Flat mirror
D. Diverging mirror
Answer: B
Rationale: Convex lens focuses light.
28.
Parallel rays reflecting and spreading indicate:
A. Plane mirror
B. Concave mirror
C. Convex mirror
D. Prism
Answer: C
Rationale: Convex mirror diverges rays.
29.
A graph showing angle of incidence vs reflection is:
A. Curved
B. Linear
C. Exponential
D. Random
Answer: B
Rationale: Equal angles → straight line.
30.
Refraction graph showing bending toward normal indicates:
A. Lower density medium
B. Higher density medium
C. No change
D. Reflection
Answer: B
Rationale: Light slows in denser medium.
Frequently Asked Questions
Does this AP Physics test reflect real exam difficulty?
Yes, this practice test is designed to reflect real exam patterns, structure, and difficulty level to help you prepare effectively.
How should I prepare using this AP Physics practice test?
Take the test in a timed setting, review your answers carefully, and focus on improving weak areas after each attempt.
How many times should I attempt this AP Physics test?
Yes, repeating the test helps reinforce concepts, improve accuracy, and build confidence for the actual exam.
Is this AP Physics test useful for first-time candidates?
This practice test is suitable for both beginners and retakers who want to improve their understanding and performance.