30 Physics Trivia Quiz Questions and Answers

Physics helps us comprehend the fundamental laws and principles that govern the behavior of the universe. It allows us to understand the motion of objects, the behavior of matter and energy, and the interactions between them. By studying physics, we gain a deeper understanding of the natural world and how it works.

Physics develops problem-solving and critical thinking skills. It teaches us to analyze complex problems, break them down into manageable components, and apply scientific principles to find solutions. These skills are valuable not only in physics but also in various other disciplines and real-life situations. Many technological innovations, from electricity and electronics to telecommunications and space exploration, are based on principles derived from physics. Understanding physics provides a foundation for technological literacy and empowers individuals to participate in and contribute to technological advancements.

Learning Physics helps learners open up a wide range of career opportunities. It provides a solid foundation for pursuing careers in fields such as engineering, astronomy, medicine, research, teaching, and many more. Physics knowledge and problem-solving skills are highly sought after by employers in various industries.

Table of content

• Part 1: 30 physics trivia quiz questions & answers
• Part 2: Download physics trivia questions & answers for free
• Part 3: Free online quiz creator – OnlineExamMaker

Part 1: 30 physics trivia quiz questions & answers

1. What is the SI unit of electric charge?
a) Ampere
b) Volt
c) Ohm
d) Coulomb
Answer: d) Coulomb

2. Which scientist is known for the theory of general relativity?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) Nikola Tesla
Answer: b) Albert Einstein

3. What is the SI unit of force?
a) Newton
b) Joule
c) Watt
d) Pascal
Answer: a) Newton

4. What is the acceleration due to gravity on Earth?
a) 9.8 meters per second squared
b) 5.5 meters per second squared
c) 6.3 meters per second squared
d) 10.2 meters per second squared
Answer: a) 9.8 meters per second squared

5. Which of the following is a vector quantity?
a) Speed
b) Distance
c) Time
d) Velocity
Answer: d) Velocity

6. What is the energy of motion called?
a) Potential energy
b) Kinetic energy
c) Thermal energy
d) Chemical energy
Answer: b) Kinetic energy

7. What is the phenomenon where light waves change direction as they pass from one medium to another?
a) Reflection
b) Diffraction
c) Refraction
d) Absorption
Answer: c) Refraction

8. Which of the following is an example of a simple machine?
a) Lever
b) Electron
c) Proton
d) Neutron
Answer: a) Lever

9. What is the process by which a solid changes directly into a gas without going through the liquid phase?
a) Sublimation
b) Evaporation
c) Condensation
d) Melting
Answer: a) Sublimation

10. Which of the following is not a form of electromagnetic radiation?
a) Radio waves
b) Sound waves
c) X-rays
d) Gamma rays
Answer: b) Sound waves

11. What is the smallest unit of an element that retains its chemical properties?
a) Atom
b) Molecule
c) Electron
d) Proton
Answer: a) Atom

12. What is the bending of a wave around an obstacle called?
a) Reflection
b) Diffraction
c) Refraction
d) Absorption
Answer: b) Diffraction

13. What is the SI unit of power?
a) Watt
b) Joule
c) Ampere
d) Volt
Answer: a) Watt

14. Which law states that every action has an equal and opposite reaction?
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Law of Conservation of Energy
Answer: c) Newton’s Third Law

15. What is the process of converting a solid directly into a gas called?
a) Sublimation
b) Evaporation
c) Condensation
d) Freezing
Answer: a) Sublimation

Part 2: Download physics trivia questions & answers for free

16. What is the SI unit of electric current?
a) Watt
b) Volt
c) Ampere
d) Ohm
Answer: c) Ampere

17. Which type of energy is stored in an object due to its position or condition?
a) Kinetic energy
b) Potential energy
c) Thermal energy
d) Nuclear energy
Answer: b) Potential energy

18. What is the force that opposes the motion of objects through a fluid?
a) Gravity
b) Friction
c) Magnetism
d) Tension
Answer: b) Friction

19. Which scientist is credited with the discovery of the laws of motion?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) Nikola Tesla
Answer: a) Isaac Newton

20. What is the unit of electrical resistance?
a) Ampere
b) Volt
c) Ohm
d) Watt
Answer: c) Ohm

21. What is the SI unit of frequency?
a) Hertz
b) Newton
c) Pascal
d) Joule
Answer: a) Hertz

22. Which type of lens is thicker at the edges than in the middle?
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
Answer: a) Convex lens

23. What is the study of the behavior and properties of light called?
a) Optics
b) Thermodynamics
c) Electrodynamics
d) Kinematics
Answer: a) Optics

24. What is the process by which a substance changes from a gas to a liquid called?
a) Evaporation
b) Condensation
c) Sublimation
d) Freezing
Answer: b) Condensation

25. What is the rate at which work is done or energy is transferred?
a) Power
b) Force
c) Velocity
d) Acceleration
Answer: a) Power

26. What is the force that holds atomic nuclei together called?
a) Electromagnetic force
b) Weak nuclear force
c) Strong nuclear force
d) Gravitational force
Answer: c) Strong nuclear force

27. What is the unit of electric potential difference?
a) Volt
b) Ampere
c) Ohm
d) Watt
Answer: a) Volt

28. Which scientist is known for the discovery of the laws of planetary motion?
a) Isaac Newton
b) Albert Einstein
c) Johannes Kepler
d) Galileo Galilei
Answer: c) Johannes Kepler

29. What is the process by which a solid changes directly into a liquid called?
a) Evaporation
b) Condensation
c) Sublimation
d) Melting
Answer: d) Melting

30. What is the study of the behavior and properties of matter and energy called?
a) Biology
b) Chemistry
c) Geology
d) Physics
Answer: d) Physics

Part 3: Free online quiz maker – OnlineExamMaker

With OnlineExamMaker quiz maker, teachres can easily create, customize, and distribute quizzes with just a few clicks. The intuitive interface provides a range of question types, including multiple-choice, true or false, fill in the blank, and open-ended questions, enabling users to make professional assessments that suit their specific needs.