History of general relativity - Quiz
History of general relativity
  • 1. According to Kip Thorne, what timeframe defines the 'golden age of black hole research'?
A) 1950 to 1965
B) 1960 to 1975
C) 1970 to 1985
D) 1955 to 1970
  • 2. Which field moved into the mainstream of theoretical physics during the golden age?
A) Thermodynamics
B) Quantum mechanics
C) Classical electromagnetism
D) General relativity
  • 3. Which scientific concept was introduced during the golden age of black hole research?
A) Quantum entanglement
B) Gravitational singularities
C) Plate tectonics
D) Atomic fission
  • 4. What theory became well established alongside general relativity during the golden age?
A) Steady State theory
B) Big Bang
C) String theory
D) Inflationary model
  • 5. Who wrote the book 'Cracking the Einstein Code'?
A) Fulvio Melia
B) Roy Kerr
C) Andrzej Trautman
D) Kip Thorne
  • 6. Who hosted a relativity conference in Warsaw in 1962?
A) Kip Thorne
B) Fulvio Melia
C) Roy Kerr
D) Andrzej Trautman
  • 7. Which experiment is mentioned as occurring shortly before the golden age of relativity?
A) Michelson–Morley experiment
B) Double-slit experiment
C) Cavendish experiment
D) Pound–Rebka experiment
  • 8. Who contributed an Afterword to the book 'Cracking the Einstein Code'?
A) Andrzej Trautman
B) Roy Kerr
C) Kip Thorne
D) Albert Einstein
  • 9. Before the golden age, how was general relativity primarily regarded?
A) As a mainstream theory
B) As a failed hypothesis
C) As a curiosity
D) As a branch of chemistry
  • 10. In what city was the 1962 relativity conference hosted?
A) Paris
B) Warsaw
C) London
D) Berlin
  • 11. What is the name of the solution for a spherically symmetric charged object?
A) Reissner–Nordström
B) Kerr
C) Kerr–Newman
D) Schwarzschild
  • 12. Who published a proof in 1957 that black holes are called for by the Schwarzschild solution?
A) Martin Kruskal
B) Roy Kerr
C) Arthur Stanley Eddington
D) Albert Einstein
  • 13. What was the first piece of evidence in support of general relativity?
A) Gravitational waves
B) Black hole imaging
C) Deflection of light by the Sun
D) Precession of Mercury's orbit
  • 14. In what year did Eddington conduct his expedition to confirm the deflection of light?
A) 2015
B) 1915
C) 1957
D) 1919
  • 15. When was the first observation of gravitational waves made?
A) 1919
B) 2015
C) 1957
D) 2019
  • 16. What was the subject of the first image of a black hole, published in 2019?
A) Mercury
B) A binary pulsar
C) Messier 87
D) The Sun
  • 17. Which theory is also known as scalar–tensor theory?
A) Loop quantum gravity
B) Brans–Dicke
C) String theory
D) Rosen's bimetric theory
  • 18. What phenomenon led to the refutation of Rosen's bimetric theory?
A) Quantum mechanics
B) Global positioning system
C) Solar eclipses
D) Binary pulsars
  • 19. What is the theoretical framework that attempts to unite general relativity and quantum mechanics?
A) The Schwarzschild solution
B) Bimetric theory
C) Quantum gravity
D) Scalar–tensor theory
  • 20. Which property defines the Kerr–Newman solution?
A) Spherically symmetric and rotating
B) Spherically symmetric and neutral
C) Non-rotating and charged
D) Rotating and charged
  • 21. How does Brans–Dicke theory compare to general relativity when ω = ∞?
A) They are the same
B) General relativity is more accurate
C) They are incompatible
D) Brans–Dicke is more accurate
  • 22. What do gravitational waves represent?
A) Changes in quantum gravity
B) Ripples in the curvature of spacetime
C) Particles emitted by binary pulsars
D) Energy released by the GPS system
  • 23. Which event provided data that ruled out many alternatives to general relativity?
A) The death of Einstein
B) Neutron-star merger GW170817
C) The 1919 solar eclipse
D) The discovery of the Reissner–Nordström solution
  • 24. Why does general relativity face challenges regarding its consistency?
A) It fails to explain the precession of Mercury
B) It is inconsistent with quantum mechanics
C) It contradicts the GPS system
D) It does not predict gravitational waves
  • 25. Who lent his prestige to champion Einstein's work in Britain?
A) Sir Arthur Eddington
B) Alexander Friedmann
C) Karl Schwarzschild
D) Edwin Hubble
  • 26. Who famously asked Eddington if he was one of the three people who understood general relativity?
A) Edwin Hubble
B) Georges Lemaître
C) Ludwik Silberstein
D) Albert Einstein
  • 27. Who discovered the first exact solution for a spherically symmetric spacetime?
A) Alexander Friedmann
B) Karl Schwarzschild
C) Georges Lemaître
D) Sir Arthur Eddington
  • 28. In what year did Karl Schwarzschild publish his exact solution?
A) 1929
B) 1916
C) 1922
D) 1915
  • 29. Who found a solution in 1922 showing the universe could expand or contract?
A) Karl Schwarzschild
B) Edwin Hubble
C) Alexander Friedmann
D) Sir Arthur Eddington
  • 30. What did Einstein add to his field equations to maintain a static universe?
A) A perturbation variable
B) Non-linear tensors
C) The cosmological constant
D) A spherical coordinate system
  • 31. Who provided evidence for the expansion of the universe in 1929?
A) Karl Schwarzschild
B) Alexander Friedmann
C) Georges Lemaître
D) Edwin Hubble
  • 32. How did Einstein describe the inclusion of the cosmological constant later in his career?
A) The pinnacle of scientific thinking
B) An unnecessary approximation
C) The biggest blunder
D) A brilliant masterstroke
  • 33. How was the cosmological constant described at the time of its addition?
A) An ad hoc hypothesis
B) A proven necessity
C) A common variable
D) A fundamental requirement
  • 34. What kind of spacetime geometry does the Schwarzschild solution describe?
A) A static, linear universe
B) An unstable, expanding universe
C) A non-massive, flat space
D) Spherically symmetric
  • 35. What celestial body's precession did Einstein's early field equations correctly predict?
A) Jupiter
B) Mercury
C) Mars
D) Venus
  • 36. On what date did Einstein present his updated field equations to the Prussian Academy of Sciences?
A) 25 October 1915
B) 1 January 1916
C) 15 November 1915
D) 25 November 1915
  • 37. What does the symbol R represent in the final Einstein field equations?
A) Ricci scalar
B) Ricci tensor
C) Riemann curvature
D) Radius of the universe
  • 38. What does the symbol g represent in the final Einstein field equations?
A) Gravitational constant
B) Metric tensor
C) Geodesic path
D) Gradient vector
  • 39. Who was the German mathematician that Einstein corresponded with during his work on general relativity?
A) Max Planck
B) Werner Heisenberg
C) David Hilbert
D) Gustav Mie
  • 40. Whose ideas formed the basis of the unified field theory that Hilbert was working on?
A) Gustav Mie
B) James Clerk Maxwell
C) Isaac Newton
D) Bernhard Riemann
  • 41. What method did Hilbert use to derive the theory of general relativity?
A) Empirical observation only
B) Inductive reasoning
C) Euclidean postulates
D) A variational principle
  • 42. Which mathematician introduced Einstein to Riemannian geometry in 1912?
A) Marcel Grossmann
B) Paul Ehrenfest
C) Hendrik Lorentz
D) Tullio Levi-Civita
  • 43. Which mathematician recommended that Einstein explore the use of general covariance?
A) Marcel Grossmann
B) Willem de Sitter
C) Tullio Levi-Civita
D) Max Born
  • 44. Which Dutch physicist helped Einstein's work reach the UK and US during World War I?
A) Arthur Stanley Eddington
B) Hendrik Lorentz
C) Marcel Grossmann
D) Max Born
  • 45. Where was the solar spectroscopic analysis that failed to show gravitational redshift in 1917 published?
A) Mount Wilson Observatory
B) ETH Zurich
C) Lick Observatory
D) Leiden University
  • 46. Which physicist described general relativity as the 'greatest feat of human thinking about nature'?
A) Max Born
B) Tullio Levi-Civita
C) Albert Einstein
D) Paul Dirac
  • 47. What was the name of the movement started by German physicists who resented Einstein's fame?
A) Deutsche Physik
B) General Covariance Movement
C) Modern Physics Union
D) Riemannian Physics
  • 48. What argument did Einstein use in 1913 to abandon the approach of general covariance?
A) The redshift paradox
B) The hole argument
C) The curvature inconsistency
D) The solar eclipse contradiction
  • 49. How long did Einstein travel to the Netherlands regularly to lecture as an Extraordinary Professor?
A) Three years
B) Fifteen years
C) Ten years
D) Five years
  • 50. What role did Einstein accept at ETH Zurich in 1912?
A) Research assistant
B) Dean
C) Professorship
D) Lecturer
  • 51. Which physicist called general relativity 'probably the greatest scientific discovery ever made'?
A) Paul Dirac
B) Willem de Sitter
C) Arthur Stanley Eddington
D) Max Born
  • 52. Who developed the theory of general relativity?
A) Henri Poincaré
B) Erwin Finlay-Freundlich
C) Isaac Newton
D) Albert Einstein
  • 53. Over what time period did Einstein develop general relativity?
A) 1900-1910
B) 1907-1915
C) 1910-1920
D) 1905-1912
  • 54. Who proposed the first relativistic theory of gravity in 1905?
A) Albert Einstein
B) Charles D. Perrine
C) Erwin Finlay-Freundlich
D) Henri Poincaré
  • 55. What did Einstein call his realization in 1907 that the principle of relativity could be extended to gravitational fields?
A) The rotating disk experiment
B) The equivalence principle
C) The Big Bang theory
D) His happiest thought
  • 56. In Einstein's 1911 thought experiment, what was indistinguishable from an unchanging gravitational field?
A) A stationary light source
B) A uniformly accelerated box
C) A freefalling observer
D) A rotating turntable
  • 57. What German astronomer publicized Einstein's challenge regarding light deflection?
A) Erwin Finlay-Freundlich
B) W. W. Campbell
C) Henri Poincaré
D) Charles D. Perrine
  • 58. Who was the first astronomer to make a dedicated attempt to observe light deflection to test Einstein's prediction?
A) Albert Einstein
B) Erwin Finlay-Freundlich
C) Charles D. Perrine
D) Arthur Eddington
  • 59. What stopped the observations of the 1912 eclipse in Brazil?
A) Equipment failure
B) Heavy rain
C) Technical error in calculation
D) Outbreak of World War I
  • 60. Which geometry did Einstein study to formulate general relativity as a theory of curved spacetime?
A) Special relativistic geometry
B) Euclidean geometry
C) Riemannian geometry
D) Newtonian geometry
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