Physics Quiz
Physics · Exam Mode
20 questions · 30 min timer · Results at the end
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
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What is the speed of light in a vacuum?
- A. 100,000 km/s
- B. 300,000 km/s
- C. 150,000 km/s
- D. 500,000 km/s
-
Which law states that the current passing through a conductor between two points is directly proportional to the voltage across the two points?
- A. Coulomb's Law
- B. Ohm's Law
- C. Faraday's Law
- D. Ampre's Law
-
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
-
Which instrument measures atmospheric pressure?
- A. Thermometer
- B. Barometer
- C. Hygrometer
- D. Anemometer
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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
-
What type of wave is a light wave?
- A. Longitudinal
- B. Mechanical
- C. Transverse
- D. Sound
-
Which fundamental law of thermodynamics states that the entropy of an isolated system can never decrease over time?
- A. First Law
- B. Second Law
- C. Third Law
- D. Zeroth Law
-
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
-
What is the primary unit of electric resistance?
- A. Volt
- B. Ampere
- C. Ohm
- D. Watt
-
Which force keeps an object moving in a circular path and is always directed toward the center of the circle?
- A. Centrifugal Force
- B. Centripetal Force
- C. Friction
- D. Torque
-
Which fundamental constant of nature relates the energy of a photon to its frequency?
- A. Boltzmann Constant
- B. Planck Constant
- C. Gravitational Constant
- D. Avogadro's Number
-
Which of the four fundamental forces is responsible for the radioactive decay of subatomic particles?
- A. Gravity
- B. Electromagnetism
- C. Strong Nuclear Force
- D. Weak Nuclear Force
-
What is the unit of work?
- A. Joule
- B. Watt
- C. Newton
- D. Pascal
-
Which mirror is used as a rearview mirror in vehicles?
- A. Bifocal
- B. Plane
- C. Convex
- D. Concave
-
What is the name for the specific frequency at which a system naturally tends to oscillate in the absence of any driving or damping force?
- A. Resonant Frequency
- B. Harmonic Frequency
- C. Beat Frequency
- D. Modulated Frequency
-
Which property of a wave describes the time it takes for one complete cycle to pass a given point?
- A. Frequency
- B. Wavelength
- C. Period
- D. Velocity
-
What type of energy is stored in a compressed spring?
- A. Potential
- B. Nuclear
- C. Kinetic
- D. Thermal
-
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
-
What is the term for the bending of waves around the corners of an obstacle or through an aperture into the region of geometrical shadow?
- A. Refraction
- B. Reflection
- C. Diffraction
- D. Dispersion
-
What is the SI unit of power, defined as one joule per second?
- A. Volt
- B. Watt
- C. Ampere
- D. Newton