Physics Fundamentals Quiz

1. What is the speed of light in a vacuum?

1. 150,000 km/s
2. 3,000,000 km/s
3. 30,000 km/s
4. 300,000 km/s

2. What is Newton's First Law of Motion?

1. Action and reaction are equal and opposite
2. An object stays at rest or in motion unless acted on by a force
3. Energy cannot be created or destroyed
4. F = ma

3. What does E = mc² represent?

1. The law of conservation of momentum
2. The relationship between mass and energy
3. The speed of electromagnetic waves
4. The theory of gravity

4. What is the unit of electrical resistance?

1. Ampere
2. Ohm
3. Volt
4. Watt

5. What type of energy does a moving object possess?

1. Chemical energy
2. Kinetic energy
3. Potential energy
4. Thermal energy

6. What is the gravitational acceleration on Earth's surface (approximately)?

1. 10.8 m/s²
2. 11.2 m/s²
3. 8.9 m/s²
4. 9.8 m/s²

7. What is the frequency of a wave?

1. The distance between wave peaks
2. The height of a wave
3. The number of wave cycles per second
4. The speed of the wave

8. Which scientist discovered gravity after (reportedly) watching an apple fall?

1. Albert Einstein
2. Galileo Galilei
3. Isaac Newton
4. Robert Hooke

9. What is the SI unit of force?

1. Joule
2. Newton
3. Pascal
4. Watt

10. What does a concave lens do to parallel rays of light?

1. Converges them to a focal point
2. Diverges them outward
3. Has no effect
4. Reflects them back

11. What is the law of conservation of energy?

1. Energy always increases in a system
2. Energy can be created from matter
3. Energy cannot be created or destroyed, only transformed
4. Energy is always lost as heat

12. What particle has a negative electric charge?

1. Electron
2. Neutron
3. Positron
4. Proton

13. What is Ohm's Law?

1. E = mc²
2. F = ma
3. P = IV
4. V = IR

14. What type of wave does NOT require a medium to travel through?

1. Electromagnetic waves
2. Seismic waves
3. Sound waves
4. Water waves

15. What is the Doppler effect?

1. Light bending around massive objects
2. The change in observed frequency due to relative motion
3. The reflection of sound off surfaces
4. The splitting of white light into colours

16. What are the three types of nuclear radiation?

1. Alpha, Beta, Gamma
2. Alpha, Neutron, Gamma
3. Infrared, X-ray, Gamma
4. X-ray, Gamma, UV

17. What does a transformer do?

1. Changes the voltage of AC electricity
2. Converts AC to DC current
3. Generates electricity from motion
4. Stores electrical energy

18. What is the name of the force that opposes motion between two surfaces in contact?

1. Friction
2. Gravity
3. Normal force
4. Tension

19. What is absolute zero?

1. -100°C
2. -200°C
3. -273.15°C
4. -373.15°C

20. Which colour of visible light has the longest wavelength?

1. Blue
2. Red
3. Violet
4. Yellow