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Physics Quiz

Physics · Human Body Quiz

20 questions · Unlimited attempts · Free online practice

Physics is the fundamental science that explains how the universe works, from the smallest subatomic particles to the largest galaxies. It explores matter, energy, motion, forces,...

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All 20 questions in this Physics quiz
  1. Which physical principle explains why a spinning ice skater rotates faster when they pull their arms inward?

    • A. Conservation of Energy
    • B. Conservation of Linear Momentum
    • C. Conservation of Angular Momentum
    • D. Centripetal Acceleration
  2. What type of wave is a light wave?

    • A. Longitudinal
    • B. Mechanical
    • C. Transverse
    • D. Sound
  3. What type of circuit has only one path for current?

    • A. Open
    • B. Parallel
    • C. Short
    • D. Series
  4. What is the SI unit of pressure?

    • A. Pascal
    • B. Newton
    • C. Bar
    • D. Atmosphere
  5. What does a convex lens do to light rays?

    • A. Absorbs them
    • B. Converges them
    • C. Reflects them
    • D. Diverges them
  6. What is the name for the energy an object possesses due to its motion?

    • A. Potential Energy
    • B. Thermal Energy
    • C. Kinetic Energy
    • D. Chemical Energy
  7. In the context of fluid mechanics, what is 'Viscosity'?

    • A. The density of the fluid
    • B. The fluid's resistance to flow or deformation
    • C. The pressure at the bottom of the fluid
    • D. The speed of waves in the fluid
  8. In fluid dynamics, what is the dimensionless quantity that helps predict whether a flow will be laminar or turbulent?

    • A. Mach Number
    • B. Reynolds Number
    • C. Froude Number
    • D. Prandtl Number
  9. Which thermodynamic cycle represents the most efficient possible heat engine allowed by the laws of physics?

    • A. Otto Cycle
    • B. Rankine Cycle
    • C. Carnot Cycle
    • D. Diesel Cycle
  10. Which type of light has a wavelength just slightly longer than the visible red part of the spectrum and is often used in thermal imaging?

    • A. Ultraviolet
    • B. X-ray
    • C. Infrared
    • D. Microwave
  11. What is the SI unit of Luminous Intensity?

    • A. Ampere
    • B. Mole
    • C. Candela
    • D. Kelvin
  12. Which material property describes its ability to conduct an electric current?

    • A. Resistance
    • B. Permittivity
    • C. Conductivity
    • D. Inductance
  13. What is the term for the shift in frequency of a wave in relation to an observer who is moving relative to the wave source?

    • A. Compton Shift
    • B. Doppler Effect
    • C. Planck Shift
    • D. Rayleigh Scattering
  14. Which law relates Voltage, Current and Resistance?

    • A. Pascal's Law
    • B. Ohm's Law
    • C. Newton's Law
    • D. Boyle's Law
  15. Which material was discovered in 2004 to be a 2D sheet of carbon atoms with incredible strength and conductivity?

    • A. Carbon Nanotubes
    • B. Graphene
    • C. Fullerenes
    • D. Graphite
  16. Which wave requires a medium to travel?

    • A. Light
    • B. X-ray
    • C. Radio
    • D. Sound
  17. Which instrument measures atmospheric pressure?

    • A. Thermometer
    • B. Barometer
    • C. Hygrometer
    • D. Anemometer
  18. What is the term for the amount of energy required to raise the temperature of one gram of a substance by one degree Celsius?

    • A. Latent Heat
    • B. Specific Heat Capacity
    • C. Thermal Conductivity
    • D. Heat of Fusion
  19. Which of these forces is the weakest of the four fundamental interactions of nature?

    • A. Strong Nuclear Force
    • B. Weak Nuclear Force
    • C. Electromagnetism
    • D. Gravity
  20. Which fundamental law of physics states that the total energy of an isolated system remains constant over time?

    • A. Law of Universal Gravitation
    • B. Law of Conservation of Energy
    • C. Law of Inertia
    • D. Hooke's Law