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