Home» Online Test » Astronomy » Black Hole Online Test 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This 'Black Hole Online Test' covers questions across all the topics related to the Black Holes. Get New Questions in Each Attempt Total Questions: 30 Time Allotted: 30 minutes Passing Score: 50% Randomization: Yes Certificate: Yes Do not refresh the page! 👍 All the best! 1 / 30 1. Which famous supernova was observed in 1987 in the Large Magellanic Cloud? a) SN 1054 b) SN 1572 c) SN 1604 d) SN 1987A 2 / 30 2. What is the information paradox in the context of black holes? a) The inability to observe black holes directly b) The loss of information about matter that falls into a black hole c) The difficulty in measuring the mass of a black hole d) The absence of Hawking Radiation from certain black holes 3 / 30 3. What is the primary wavelength range that the James Webb Space Telescope (JWST) is designed to observe? a) X-ray b) Ultraviolet c) Infrared d) Gamma-ray 4 / 30 4. Which famous black hole was imaged for the first time in 2019, revealing its shadow against the surrounding glowing gas? a) Cygnus X-1 b) Sagittarius A* c) M87's Supermassive Black Hole d) V404 Cygni 5 / 30 5. Which phenomenon is often observed near supermassive black holes due to their intense gravitational fields? a) Supernova explosions b) Gravitational lensing c) Pulsar emissions d) Stellar formation 6 / 30 6. What prediction of general relativity has been confirmed by the observation of black hole mergers? a) The existence of dark energy b) The bending of light c) The emission of gravitational waves d) The expansion of the universe 7 / 30 7. What effect does Hawking Radiation have on the temperature of a black hole? a) It decreases the temperature b) It increases the temperature c) It has no effect on the temperature d) It fluctuates the temperature 8 / 30 8. Which organization is responsible for the development and launch of the James Webb Space Telescope (JWST)? a) European Space Agency (ESA) b) Russian Space Agency (Roscosmos) c) China National Space Administration (CNSA) d) National Aeronautics and Space Administration (NASA) 9 / 30 9. Which type of supernova is associated with the collapse of a massive star? a) Type Ia b) Type II c) Type III d) Type IV 10 / 30 10. During which stage does a star spend the majority of its life? a) Red Giant b) Main Sequence c) Supernova d) Black Hole 11 / 30 11. What is the relationship between the mass of a supermassive black hole and the velocity dispersion of stars in its host galaxy's bulge? a) Directly proportional b) Inversely proportional c) No relationship d) Random correlation 12 / 30 12. What type of galaxy is most likely to host an intermediate-mass black hole? a) Spiral galaxies b) Elliptical galaxies c) Dwarf galaxies d) Irregular galaxies 13 / 30 13. What is the fate of a star much more massive than the Sun after it exhausts its nuclear fuel? a) It becomes a red giant b) It forms a white dwarf c) It collapses into a black hole d) It turns into a brown dwarf 14 / 30 14. Which theoretical concept suggests that information escaping from a black hole is encoded in Hawking Radiation? a) No-hair theorem b) String theory c) Loop quantum gravity d) Fuzzball theory 15 / 30 15. What theoretical concept suggests that black holes may be replaced by fuzzballs, eliminating the need for an event horizon? a) No-hair theorem b) Fuzzball theory c) Holographic principle d) Firewall paradox 16 / 30 16. What size range can primordial black holes have? a) Between 1 and 10 solar masses b) Between 10 and 100 solar masses c) Between 100 and 1,000 solar masses d) From microscopic to several thousand solar masses 17 / 30 17. What is the mass of M87's Supermassive Black Hole, as estimated from the 2019 EHT image? a) 1 million solar masses b) 10 million solar masses c) 100 million solar masses d) 1 billion solar masses 18 / 30 18. What is the consequence of Hawking Radiation for very small black holes? a) They emit more radiation than larger black holes b) They emit less radiation than larger black holes c) They evaporate more slowly than larger black holes d) They evaporate more quickly than larger black holes 19 / 30 19. What is the hypothesized origin of primordial black holes? a) Collapse of dark matter b) Density fluctuations in the early universe c) Supernova explosions d) Gravitational interactions between galaxies 20 / 30 20. Which of the following is a property that black holes can possess? a) Mass b) Charge c) Angular Momentum d) All of the above 21 / 30 21. What effect does the intense gravitational pull of a black hole have on nearby light? a) Light is repelled away from the black hole b) Light is attracted toward the black hole c) Light is accelerated to superluminal speeds d) Light is unaffected by the black hole's gravity 22 / 30 22. What is the significance of the holographic principle in the study of black holes? a) It suggests that information about a black hole is encoded on its event horizon b) It proposes that black holes contain hidden dimensions c) It predicts the existence of Hawking Radiation d) It describes the behavior of matter falling into a black hole 23 / 30 23. In what kind of binary system are stellar-mass black holes often found? a) Star-planet binary b) Star-star binary c) Black hole-neutron star binary d) Star-black hole binary 24 / 30 24. What is the primary mechanism behind Hawking Radiation? a) Quantum tunneling of particles near the event horizon b) Nuclear fusion within the black hole's core c) Magnetic reconnection in the accretion disk d) Gravitational lensing of nearby stars 25 / 30 25. What is gravitational lensing, a phenomenon commonly observed near black holes? a) The distortion of space and time by gravity b) The emission of gravitational waves c) The bending of light around massive objects d) The stretching of matter into spaghetti-like shapes 26 / 30 26. Which method is used to estimate the mass of a stellar-mass black hole in a binary system? a) Measuring the orbital period and velocity of the companion star b) Observing the color of the black hole c) Measuring the intensity of gravitational waves d) Counting the number of planets in the system 27 / 30 27. What distinguishes primordial black holes from other types of black holes? a) Their formation from the collapse of massive stars b) Their existence since the early universe c) Their formation from the merger of neutron stars d) Their presence in the center of galaxies 28 / 30 28. What is a black hole? a) A region of space with extremely high density b) A star that has exploded c) A planet with a massive gravitational field d) A galaxy that emits no light 29 / 30 29. How does a red giant form? a) By the fusion of hydrogen in the outer layers b) By the collapse of a neutron star c) By the expansion of a star after exhausting core hydrogen d) By the merger of two white dwarfs 30 / 30 30. What significant finding was reported in the research paper titled "Observational Evidence for Intermediate-mass Black Holes" by Sean Farrell et al., published in 2009? a) Discovery of a population of primordial black holes b) Measurement of the spin of a supermassive black hole using X-ray emissions c) Detection of gravitational waves from a binary black hole merger d) Evidence for the existence of intermediate-mass black holes in globular clusters Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. 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