OAT Physics Practice Test 2024 Untimed 40 Questions and Answers with Explanation. Try our free Optometry Admission Test (OAT) Physics online quiz for better OAT test prep. The Physics section of the OAT requires substantial knowledge of testable concepts and equations as well as strategic testing skills.

The Physics Practice Test is devoted entirely to content relevant to this section of the OAT exam. What it tests: Units and Vectors, Linear Kinematics, Statics, Dynamics, Rotational Motion, Energy and Momentum, Simple Harmonic Motion, Waves, Fluid Statics, Thermal Energy and Thermodynamics, Electrostatics, D.C. Circuits, and Optics.

Table of Contents

Toggle## OAT Physics Practice Test 2024

Physics averages 75 seconds per question, but different question types use less or more time depending on the level of calculation required.

Test Name | OAT Practice Test 2024 |

Test Purpose | Admission into optometry schools |

Subject | Physics |

Sub Test | Physics |

Sample Questions | 40 |

Time Limit | N/A |

### Units and Vectors

**Which of the following is a scalar quantity?**

- (A) Velocity
- (B) Force
- (C) Acceleration
- (D) Temperature
- (E) Displacement

**What is the resultant of two vectors that are equal in magnitude but opposite in direction?**

- (A) Zero
- (B) Twice the magnitude of one vector
- (C) Half the magnitude of one vector
- (D) A vector perpendicular to the original vectors
- (E) A vector equal to the original vectors

### Linear Kinematics

**An object is moving with a constant velocity. What is the net force acting on the object?**

- (A) Zero
- (B) Constant and non-zero
- (C) Increasing
- (D) Decreasing
- (E) Equal to the gravitational force

**A car accelerates uniformly from rest to a speed of 20 m/s in 10 seconds. What is the car’s acceleration?**

- (A) 2 m/s²
- (B) 4 m/s²
- (C) 10 m/s²
- (D) 20 m/s²
- (E) 0.5 m/s²

### Statics

**What condition must be met for an object to be in static equilibrium?**

- (A) The net force must be zero
- (B) The net torque must be zero
- (C) Both net force and net torque must be zero
- (D) The net velocity must be zero
- (E) The net acceleration must be zero

### Dynamics

**According to Newton’s second law, what is the relationship between force, mass, and acceleration?**

- (A) F = m/a
- (B) F = ma
- (C) F = a/m
- (D) F = m²a
- (E) F = ma²

**What is the force of gravity acting on a 10 kg object near the surface of the Earth? (Use g = 9.8 m/s²)**

- (A) 9.8 N
- (B) 98 N
- (C) 980 N
- (D) 10 N
- (E) 0.98 N

### Rotational Motion

**What is the angular velocity of a wheel rotating at 60 revolutions per minute (rpm)?**

- (A) π rad/s
- (B) 2π rad/s
- (C) 4π rad/s
- (D) 6π rad/s
- (E) 8π rad/s

### Energy and Momentum

**What is the kinetic energy of a 5 kg object moving at a speed of 10 m/s?**

- (A) 25 J
- (B) 50 J
- (C) 100 J
- (D) 250 J
- (E) 500 J

**What is the momentum of a 3 kg object moving at a velocity of 4 m/s?**

- (A) 3 kg·m/s
- (B) 7 kg·m/s
- (C) 12 kg·m/s
- (D) 15 kg·m/s
- (E) 20 kg·m/s

### Simple Harmonic Motion

**What is the period of a pendulum with a length of 2 meters? (Use g = 9.8 m/s²)**

- (A) 1 s
- (B) 2 s
- (C) 3 s
- (D) 4 s
- (E) 5 s

### Waves

**What is the frequency of a wave with a wavelength of 0.5 meters and a speed of 2 m/s?**

- (A) 0.5 Hz
- (B) 1 Hz
- (C) 2 Hz
- (D) 3 Hz
- (E) 4 Hz

### Fluid Statics

**What is the pressure exerted by a column of water 10 meters high? (Use ρ = 1000 kg/m³ and g = 9.8 m/s²)**

- (A) 9.8 kPa
- (B) 98 kPa
- (C) 980 kPa
- (D) 9.8 Pa
- (E) 98 Pa

### Thermal Energy and Thermodynamics

**What is the specific heat capacity of a substance if 500 J of energy raises the temperature of 2 kg of the substance by 5°C?**

- (A) 10 J/kg·°C
- (B) 20 J/kg·°C
- (C) 25 J/kg·°C
- (D) 50 J/kg·°C
- (E) 100 J/kg·°C

### Electrostatics

**What is the electric force between two charges of 1 C each, separated by a distance of 1 meter? (Use k = 8.99 x 10⁹ N·m²/C²)**

- (A) 8.99 x 10⁹ N
- (B) 1.80 x 10⁹ N
- (C) 2.25 x 10⁹ N
- (D) 4.50 x 10⁹ N
- (E) 5.00 x 10⁹ N

### D.C. Circuits

**What is the equivalent resistance of three 6-ohm resistors connected in series?**

- (A) 2 ohms
- (B) 6 ohms
- (C) 12 ohms
- (D) 18 ohms
- (E) 24 ohms

**What is the current through a 10-ohm resistor connected to a 5 V battery?**

- (A) 0.2 A
- (B) 0.5 A
- (C) 1 A
- (D) 1.5 A
- (E) 2 A

### Optics

**What is the focal length of a lens with a power of 2 diopters?**

- (A) 0.5 m
- (B) 1 m
- (C) 2 m
- (D) 4 m
- (E) 5 m

**What is the image distance for an object placed 10 cm from a concave mirror with a focal length of 5 cm?**

- (A) 2.5 cm
- (B) 5 cm
- (C) 10 cm
- (D) 15 cm
- (E) 20 cm

**What is the speed of light in a medium with a refractive index of 1.5? (Use c = 3 x 10⁸ m/s)**

- (A) 1.5 x 10⁸ m/s
- (B) 2 x 10⁸ m/s
- (C) 2.5 x 10⁸ m/s
- (D) 3 x 10⁸ m/s
- (E) 4 x 10⁸ m/s

### Additional Questions

**Which physical quantity is described as the product of mass and velocity?**

- (A) Energy
- (B) Momentum
- (C) Force
- (D) Power
- (E) Work

**What is the work done by a force of 20 N moving an object 5 meters in the direction of the force?**

- (A) 10 J
- (B) 50 J
- (C) 100 J
- (D) 200 J
- (E) 250 J

**Which law states that the total energy in a closed system remains constant?**

- (A) Newton’s first law
- (B) Newton’s second law
- (C) Law of conservation of momentum
- (D) Law of conservation of energy
- (E) Hooke’s law

**What is the change in internal energy of a system that does 50 J of work and absorbs 30 J of heat?**

- (A) -20 J
- (B) 20 J
- (C) 50 J
- (D) -50 J
- (E) 80 J

**What is the relationship between pressure and volume in Boyle’s Law?**

- (A) Directly proportional
- (B) Inversely proportional
- (C) Not related
- (D) Exponentially proportional
- (E) Logarithmically proportional

**What is the formula for calculating the gravitational potential energy of an object?**

- (A) PE = 0.5mv²
- (B) PE = mgh
- (C) PE = Fd
- (D) PE = 0.5kx²
- (E) PE = qV

**What is the acceleration due to gravity on Earth?**

- (A) 8.9 m/s²
- (B) 9.8 m/s²
- (C) 10.8 m/s²
- (D) 11.8 m/s²
- (E) 12.8 m/s²

**Which of the following describes the first law of thermodynamics?**

- (A) Energy cannot be created or destroyed
- (B) Entropy of an isolated system always increases
- (C) For every action, there is an equal and opposite reaction
- (D) Energy is proportional to mass times the speed of light squared
- (E) The total momentum of an isolated system is conserved

**What is the specific heat capacity of water?**

- (A) 2.1 J/g·°C
- (B) 3.6 J/g·°C
- (C) 4.2 J/g·°C
- (D) 5.0 J/g·°C
- (E) 6.4 J/g·°C

**Which of the following is true about the speed of sound in different media?**

- (A) Fastest in gases
- (B) Fastest in liquids
- (C) Fastest in solids
- (D) Same in all media
- (E) Depends only on temperature

**What is the power dissipated by a resistor with a resistance of 5 ohms and a current of 2 A?**

- (A) 5 W
- (B) 10 W
- (C) 15 W
- (D) 20 W
- (E) 25 W

**Which of the following describes the relationship between pressure and temperature in Gay-Lussac’s Law?**

- (A) Directly proportional
- (B) Inversely proportional
- (C) Exponentially proportional
- (D) Linearly proportional
- (E) Not related

**What is the equivalent capacitance of three 10 µF capacitors connected in parallel?**

- (A) 3.3 µF
- (B) 10 µF
- (C) 15 µF
- (D) 20 µF
- (E) 30 µF

**What is the voltage across a 4-ohm resistor with a current of 3 A flowing through it?**

- (A) 4 V
- (B) 7 V
- (C) 10 V
- (D) 12 V
- (E) 15 V

**Which principle explains why a boat floats in water?**

- (A) Pascal’s Principle
- (B) Bernoulli’s Principle
- (C) Archimedes’ Principle
- (D) Newton’s Third Law
- (E) Conservation of Energy

**What is the wavelength of a sound wave with a frequency of 500 Hz traveling at a speed of 340 m/s?**

- (A) 0.68 m
- (B) 1.36 m
- (C) 3.40 m
- (D) 6.80 m
- (E) 17.0 m

**What type of image is formed by a convex lens when the object is placed at a distance greater than twice the focal length?**

- (A) Virtual and upright
- (B) Virtual and inverted
- (C) Real and upright
- (D) Real and inverted
- (E) No image

**What is the principle behind the operation of hydraulic systems?**

- (A) Archimedes’ Principle
- (B) Bernoulli’s Principle
- (C) Pascal’s Principle
- (D) Newton’s First Law
- (E) Conservation of Momentum

**What is the resistance of a wire with a resistivity of 1.7 x 10⁻⁸ Ω·m, a length of 2 m, and a cross-sectional area of 1 x 10⁻⁶ m²?**

- (A) 0.034 Ω
- (B) 0.34 Ω
- (C) 1.7 Ω
- (D) 3.4 Ω
- (E) 34 Ω

**What is the work done by a force of 10 N moving an object 3 meters in the direction of the force?**

- (A) 10 J
- (B) 20 J
- (C) 30 J
- (D) 40 J
- (E) 50 J

**See also:**