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Schrödinger's cat - Quiz
Contributed by: Guy
  • 1. What happens to superpositions in objective collapse theories?
A) They persist indefinitely
B) They expand into infinite states
C) They are destroyed spontaneously
D) They only vanish upon human observation
  • 2. According to objective collapse theories, what causes the cat to settle into a definite state?
A) An objective physical threshold
B) The disappearance of the observer
C) The researcher opening the box
D) The death of the cat
  • 3. Which of these is mentioned as a factor for reaching an objective physical threshold?
A) The color of the box
B) Mass
C) The observer's mood
D) The cat's desire
  • 4. How can the objective collapse theory be loosely phrased regarding the cat?
A) The cat is always alive
B) The cat observes itself
C) The cat is always dead
D) The cat is nonexistent
  • 5. What do objective collapse theories require regarding standard quantum mechanics?
A) A modification
B) Total abandonment
C) Strict adherence
D) No changes
  • 6. What kind of states have been proposed to detect quantum gravity related decoherence?
A) Thermal equilibrium states
B) Massive vacuum states
C) Singularity states
D) Energy cat states
  • 7. Is the Schrödinger's cat machine as described known to have been constructed?
A) Only a prototype exists
B) It was built in the 1950s
C) Yes
D) No
  • 8. What particle has been successfully placed in a 'cat state'?
A) Neutrons
B) Photons
C) Alpha particles
D) Protons
  • 9. Which ion was trapped in a superposed state?
A) Lithium
B) Helium
C) Beryllium
D) Carbon
  • 10. In the SQUID experiment, how do the superconducting electrons flow?
A) Only counter-clockwise
B) They remain stationary
C) Only clockwise
D) Both ways around the loop at once
  • 11. How many atoms comprise the piezoelectric tuning fork mentioned in the text?
A) About 10 trillion
B) About 10 billion
C) About 10 quadrillion
D) About 10 million
  • 12. What biological entity has been proposed for a cat state experiment?
A) A yeast spore
B) A human cell
C) A tardigrade
D) A flu virus
  • 13. What is the GHZ state in quantum computing often referred to as?
A) A qubit collapse
B) A superposition trap
C) A dog state
D) A cat state
  • 14. What is the result of the GHZ state equal superposition?
A) All qubits being 1
B) All qubits being 0 and all qubits being 1
C) A random mixture of 0s and 1s
D) All qubits being 0
  • 15. According to the text, is it potentially possible to determine the cat's state before opening the box?
A) Yes, according to at least one proposal
B) Only if the observer is human
C) Only if the cat is dead
D) No, it is strictly impossible
  • 16. Who devised the Schrödinger's cat thought experiment?
A) Werner Heisenberg
B) Albert Einstein
C) Niels Bohr
D) Erwin Schrödinger
  • 17. In what year was the Schrödinger's cat thought experiment devised?
A) 1925
B) 1935
C) 1945
D) 1950
  • 18. What scientific concept does the Schrödinger's cat thought experiment concern?
A) Quantum superposition
B) General relativity
C) Thermodynamics
D) Classical mechanics
  • 19. What is the cat's fate linked to in the experiment?
A) A mechanical timer
B) A random subatomic event
C) The temperature of the room
D) The observer's thoughts
  • 20. What device detects the decay of an atom in the experiment?
A) A Geiger counter
B) A seismograph
C) A thermal sensor
D) A barometer
  • 21. Mathematically, how is the state of the box described?
A) As a logical contradiction
B) As a quantum superposition
C) As a classical probability
D) As a fixed state
  • 22. What fundamental question does the experiment pose regarding reality?
A) How fast does poison travel?
B) Who is responsible for the experiment?
C) When does quantum superposition end?
D) Is the cat truly conscious?
  • 23. What does the thought experiment illustrate?
A) The danger of poisons
B) The accuracy of Geiger counters
C) The biology of felines
D) The behavior of atoms
  • 24. What specific challenge is mentioned regarding superposing large objects like a cat?
A) It is physically impossible
B) It is against ethical guidelines
C) Considerable technical difficulties
D) It requires infinite energy
  • 25. With whom did Schrödinger discuss his philosophical views?
A) Albert Einstein
B) Marie Curie
C) Charles Darwin
D) Isaac Newton
  • 26. What has the Schrödinger's cat experiment become part of in physics?
A) The foundation of quantum mechanics
B) The theory of relativity
C) The history of chemistry
D) The study of animal behavior
  • 27. What problem is often associated with the Schrödinger's cat thought experiment?
A) The climate problem
B) The energy crisis
C) The gravity problem
D) The measurement problem
  • 28. What have experiments at the atomic scale shown?
A) Superpositions only happen in boxes
B) Atoms are too large for superpositions
C) Very small objects may exist as superpositions
D) Atoms never exist as superpositions
  • 29. How is the experiment described in terms of its logic?
A) As a proven theory
B) As a common misconception
C) As a simple fact
D) As a paradox
  • 30. What 1935 article did Schrödinger's thought experiment aim to discuss?
A) The EPR article
B) The Radioactive Decay paper
C) The Theory of Relativity
D) The Bohr-Heisenberg manifesto
  • 31. What Latin term is used to describe Schrödinger's method of argument?
A) Tabula rasa
B) Ipso facto
C) Reductio ad absurdum
D) Modus operandi
  • 32. Where is the cat placed in the thought experiment?
A) An open field
B) A closed steel chamber
C) A glass observation box
D) A vacuum chamber
  • 33. What is used to shatter the flask of hydrocyanic acid?
A) A relay switch
B) A radioactive atom
C) A hammer
D) A mechanical lever
  • 34. What substance is inside the flask that kills the cat?
A) A lethal neurotoxin
B) Hydrocyanic acid
C) Radioactive gas
D) Gunpowder
  • 35. What does the Geiger counter detect?
A) Light intensity
B) The cat's movement
C) Temperature change
D) Atomic decay
  • 36. What does Schrödinger use the thought experiment to illustrate?
A) That radiation is harmless
B) That the wave function cannot represent reality
C) That reality depends on the observer
D) That cats have multiple lives
  • 37. According to the text, what did Einstein mention that Schrödinger did not?
A) Hydrocyanic acid
B) Gunpowder
C) A Geiger counter
D) A hammer
  • 38. How does Schrödinger describe the cat scenario?
A) A proven fact
B) Scientific law
C) Completely burlesque
D) A logical necessity
  • 39. Who was the other physicist mentioned by Einstein as sharing a similar view?
A) Schrödinger
B) Laue
C) Newton
D) Maxwell
  • 40. Who wrote the book 'Mathematical Foundations of Quantum Mechanics'?
A) Roger Carpenter
B) Erwin Schrödinger
C) Eugene Wigner
D) John von Neumann
  • 41. What is the name of the thought experiment discussed by Eugene Wigner involving a friend?
A) The observer's paradox
B) The radioactive chain
C) The cat's dilemma
D) Wigner's friend
  • 42. According to Niels Bohr, what was the state of the cat before the box is opened?
A) Definitely dead
B) Both dead and alive simultaneously
C) Definitely alive
D) Indeterminate
  • 43. Who formulated the many-worlds interpretation in 1957?
A) Erwin Schrödinger
B) Niels Bohr
C) Hugh Everett
D) Max Tegmark
  • 44. Who proposed the quantum suicide machine variant?
A) Hugh Everett
B) Max Tegmark
C) Niels Bohr
D) Erwin Schrödinger
  • 45. What does Bohr emphasize regarding measurement results?
A) Their statistical nature
B) Their quantum nature
C) Their subjective nature
D) Their classical nature
  • 46. How is the collapse of the wavefunction described in the transactional interpretation?
A) Sequential
B) Dependent on biological consciousness
C) Atemporal
D) Delayed by the experimenter
  • 47. In the relational interpretation, what is the cat observing?
A) The future
B) The vacuum state
C) The experimenter
D) The apparatus
  • 48. According to Robert P. Crease, when did the thought experiment become widely known?
A) The 1950s
B) The 1990s
C) The 1970s
D) The 1930s
  • 49. Who learned about the thought experiment while researching for 'The Dispossessed'?
A) Greg Bear
B) Robert Anton Wilson
C) Ursula K. Le Guin
D) Robert P. Crease
  • 50. What tone do science-fiction writers often use when employing the thought experiment?
A) Solemn
B) Humorous
C) Scientific
D) Serious
  • 51. According to the text, in which field is the cat more prominent?
A) Philosophy
B) Popular culture
C) Mathematics
D) Physics
  • 52. Who wrote the story 'Schrödinger's Plague' published in 1982?
A) Greg Bear
B) George Alec Effinger
C) Rudy Rucker
D) Robert Anton Wilson
  • 53. In which magazine was 'Schrödinger's Kitten' by George Alec Effinger published?
A) Scientific American
B) Omni
C) Nature
D) Analog
  • 54. Who authored the Schrödinger's Cat Trilogy published in 1988?
A) Greg Bear
B) Robert Anton Wilson
C) Ursula K. Le Guin
D) F. Gwynplaine MacIntyre
  • 55. Which of the following is NOT a medium mentioned where the cat has appeared?
A) Academic textbooks
B) Theatre
C) Music
D) Webcomics
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