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