The well runs deep
Trivia questions and answers, drawn fresh from the well
239,757 public questions across 1,818 topics. Challenge yourself, or build the perfect quiz for game night.
239,757
Questions with answers
1,818
Topics to explore
3
Depths of difficulty
Today at the well
1 / 5 0
In quantum physics, what phenomenon causes a superconductor to expel magnetic fields from its interior?
Answer
Meissner effect
In quantum physics, what law gives the probability distribution of particle positions from a wavefunction?
Answer
Born rule
In quantum physics, what name is given to the temperature below which a dilute gas can form a Bose–Einstein condensate?
Answer
Critical temperature
In quantum physics, what limit describes the shortest possible wavelength of a photon emitted by an X-ray tube?
Answer
Duane–Hunt limit
In quantum physics, what equation describes the relativistic behavior of spin-½ particles such as electrons?
Answer
Dirac equation
0 / 5
Round complete
239,757 trivia questions
Every question has an answer
1,818 public topics
Something for every quiz
Free to explore
Reveal answers at your own pace
Fresh from the well
Latest trivia questions
Who proposed the matter-wave hypothesis in 1924?
Answer
Louis de Broglie
Which particle was discovered at CERN in 2012 and confirmed the Higgs field?
Answer
Higgs boson
What is the minimum possible energy of a quantum harmonic oscillator called?
Answer
Zero-point energy
Who introduced the quantum hypothesis for blackbody radiation in 1900?
Answer
Max Planck
Which earthquake struck L’Aquila, Italy, on 6 April 2009?
Answer
2009 L’Aquila earthquake