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