quizNfacts | Quizzes

1. What is the speed of light in a vacuum? (Physics, Science, General Knowledge)

299,792 km/s

280,000 km/s

300,000 km/s

150,000 km/s

2. What is the term for the resistance to motion in fluids? (Physics)

Buoyancy

Friction

Inertia

Drag

3. What phenomenon explains why light splits into a spectrum? (Physics)

Refraction

Reflection

Diffraction

Dispersion

4. What is the escape velocity for Earth? (Physics)

12.1 km/s

11.2 km/s

9.8 m/s

7.9 km/s

5. Which particle is negatively charged? (Physics)

Neutron

Electron

Proton

Photon

6. What is the speed of light in a vacuum? (Physics)

150,000,000 m/s

3,000,000 m/s

299,792,458 m/s

343 m/s

7. Which type of electromagnetic wave is used in remote controls? (Physics)

Ultraviolet

Microwave

Infrared

Radio wave

8. What is the frequency of a wave measured in? (Physics)

Volt

Newton

Hertz

Joule

9. What does E = mc² represent? (Physics)

Potential energy

Energy-mass equivalence

Kinetic energy

Thermal energy

10. What is the unit of force in the SI system? (Physics)

Watt