What is the name of the law that states that the total entropy of an isolated system can never decrease?
Answer
second law of thermodynamics
200 Physics Trivia Questions with Answers
200 public questions with answers, drawn from the well. How many can you answer?
What is the name of the principle that states it is impossible to simultaneously know the exact position and momentum of a particle?
Answer
Heisenberg uncertainty principle
What particle is the antiparticle of the proton?
Answer
antiproton
What is the name of the law that states that the sum of currents entering a junction equals the sum leaving?
Answer
Kirchhoff's current law
What is the term for the transfer of heat by the movement of fluids?
Answer
convection
What is the name of the law that states that the angle of incidence equals the angle of reflection?
Answer
law of reflection
What neutrino flavor is primarily produced in the Sun?
Answer
electron neutrino
What quantum principle allows a particle to exist in multiple states simultaneously?
Answer
superposition
What is the hypothetical particle that mediates gravity?
Answer
graviton
What is the phenomenon where light separates into its component colors?
Answer
dispersion
What type of lens converges light rays?
Answer
convex lens
What is the term for a fluid's resistance to flow?
Answer
viscosity
What particle carries the electromagnetic force?
Answer
photon
What constant is approximately 6.022 × 10^23 per mole?
Answer
Avogadro constant
What is the phenomenon where light bounces off a surface called?
Answer
reflection
What is the process by which a liquid turns into a gas called?
Answer
vaporization
What particle has a negative electric charge?
Answer
electron
What is the approximate value of the Boltzmann constant in joules per kelvin?
Answer
1.38 × 10⁻²³
What is the SI unit of luminous intensity?
Answer
candela
What is the SI unit of the rate of radioactive decay?
Answer
becquerel
What device is used to measure atmospheric pressure?
Answer
barometer
What type of energy is stored in a battery?
Answer
chemical energy
What is the effect where a material's electrical resistance changes in a magnetic field?
Answer
Magnetoresistance
What is the SI unit of magnetic flux?
Answer
Weber
What is the production of an electric current by a changing magnetic field called?
Answer
Electromagnetic induction
What is the constant that relates the energy of a photon to its frequency?
Answer
Planck constant
What is the emission of electrons from a metal when light shines on it called?
Answer
Photoelectric effect
What is the force that holds quarks together inside protons and neutrons?
Answer
Strong nuclear force
What is the phenomenon where two or more waves combine to form a new wave?
Answer
Interference
What is the law that states that the total momentum of an isolated system is constant?
Answer
Conservation of momentum
What is the phase transition from a solid directly to a gas called?
Answer
Sublimation
What is the name of the force that acts toward the center of a circular path?
Answer
Centripetal force
What is the SI unit of force?
Answer
Newton