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Physics Quiz

Physics · Hard

20 questions · Unlimited attempts · Free online practice

Physics is the fundamental science that explores the nature of matter, energy, space, and time. It investigates everything from subatomic particles to the large-scale structure of...

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All 20 questions in this Physics quiz
  1. Who is the father of the Modern Atomic Theory?

    • A. John Dalton
    • B. Einstein
    • C. Niels Bohr
    • D. Rutherford
  2. What is the SI unit of pressure?

    • A. Pascal
    • B. Newton
    • C. Bar
    • D. Atmosphere
  3. Which thermodynamic law defines the concept of temperature by stating that if two systems are in thermal equilibrium with a third system, they are in equilibrium with each other?

    • A. Zeroth Law
    • B. First Law
    • C. Second Law
    • D. Third Law
  4. What is the power of a lens measured in?

    • A. Candela
    • B. Dioptre
    • C. Lumen
    • D. Watt
  5. What is the SI unit of Luminous Intensity?

    • A. Ampere
    • B. Mole
    • C. Candela
    • D. Kelvin
  6. What is the term for the state of matter where a gas of bosons is cooled to temperatures very near absolute zero?

    • A. Plasma
    • B. Supercritical Fluid
    • C. Bose-Einstein Condensate
    • D. Liquid Crystal
  7. In the Standard Model of particle physics, which particle is responsible for giving other particles their mass?

    • A. Gluon
    • B. Photon
    • C. Higgs Boson
    • D. W Boson
  8. What is a line on a map connecting points of equal pressure?

    • A. Isobar
    • B. Isohyet
    • C. Isotope
    • D. Isotherm
  9. Which law states energy cannot be created or destroyed?

    • A. Newtons
    • B. Thermodynamics
    • C. Boyles
    • D. Ohms
  10. What is the resistance of an ideal conductor?

    • A. One
    • B. Infinite
    • C. Variable
    • D. Zero
  11. What is the unit of Capacitance?

    • A. Ohm
    • B. Farad
    • C. Henry
    • D. Tesla
  12. What is the term for the speed at which the social and mathematical 'ripples' of spacetime travel, as predicted by Einstein and confirmed by LIGO?

    • A. Speed of Sound
    • B. Speed of Light
    • C. Speed of Gravity
    • D. Terminal Velocity
  13. Which color of light has the shortest wavelength?

    • A. Violet
    • B. Green
    • C. Red
    • D. Yellow
  14. What is the name of the constant that relates the temperature of a gas to the average kinetic energy of its particles?

    • A. Planck Constant
    • B. Boltzmann Constant
    • C. Gas Constant
    • D. Stefan-Boltzmann Constant
  15. 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
  16. What is the escape velocity from Earth's surface?

    • A. 5 km/s
    • B. 42 km/s
    • C. 11.2 km/s
    • D. 25 km/s
  17. Which subatomic particle is made of two 'down' quarks and one 'up' quark?

    • A. Proton
    • B. Neutron
    • C. Electron
    • D. Muon
  18. What is the unit of Magnetic Flux?

    • A. Tesla
    • B. Henry
    • C. Weber
    • D. Farad
  19. What type of lens is human eye?

    • A. Cylindrical
    • B. Plane
    • C. Concave
    • D. Convex
  20. What is the unit of frequency?

    • A. Volt
    • B. Joule
    • C. Hertz
    • D. Watt