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. What role might intermediate-mass black holes play in the formation of supermassive black holes? a) They prevent the growth of supermassive black holes b) They merge to form supermassive black holes c) They disperse matter, inhibiting black hole growth d) They have no role in the formation of supermassive black holes 2 / 30 2. Which theoretical concept suggests that small primordial black holes might have evaporated by now due to Hawking radiation? a) General Relativity b) Quantum Field Theory c) Hawking Radiation Theory d) String Theory 3 / 30 3. What happens to the gravitational pull of a black hole as an object approaches its event horizon? a) The gravitational pull weakens b) The gravitational pull remains constant c) The gravitational pull increases d) The gravitational pull fluctuates unpredictably 4 / 30 4. What is the singularity in the context of black holes according to general relativity? a) The outer edge of the black hole b) A region of infinite density c) The point where time stops d) The area of maximum light emission 5 / 30 5. What mass range defines an intermediate-mass black hole? a) 10 to 100 solar masses b) 100 to 10,000 solar masses c) 1,000 to 100,000 solar masses d) 10,000 to 1 million solar masses 6 / 30 6. What is the firewall paradox, a challenge to our understanding of black holes? a) The paradox suggesting that black holes emit a firewall of radiation b) The paradox concerning the sudden disappearance of black hole event horizons c) The paradox involving inconsistencies between classical and quantum descriptions of black holes d) The paradox related to the existence of exotic matter near black holes 7 / 30 7. What is the current status of Hawking Radiation and black hole evaporation in theoretical physics? a) It has been proven experimentally b) It remains a theoretical prediction c) It has been disproven by observational evidence d) It is considered irrelevant to modern physics 8 / 30 8. What is the typical end state of a star with a mass greater than 20 solar masses after it exhausts its nuclear fuel? a) White dwarf b) Neutron star c) Stellar-mass black hole d) Red giant 9 / 30 9. What defines the boundary beyond which events cannot affect an outside observer in a black hole? a) Photon sphere b) Singularity c) Event horizon d) Accretion disk 10 / 30 10. What is the boundary around a black hole called? a) Event Horizon b) Photon Sphere c) Singularity d) Accretion Disk 11 / 30 11. What is spaghettification, a phenomenon experienced by objects falling into a black hole? a) Objects become denser as they approach the event horizon b) Objects experience extreme heat and radiation c) Objects are compressed into a singularity d) Objects stretch into thin, elongated shapes due to tidal forces 12 / 30 12. How does general relativity explain the strong gravitational pull of black holes? a) By the accumulation of dark matter b) By the rotation speed of the black hole c) By the warping of spacetime due to the black hole's mass d) By the presence of antimatter 13 / 30 13. What is the relationship between the mass of a black hole and its Schwarzschild radius? a) Directly proportional b) Inversely proportional c) Exponential d) Logarithmic 14 / 30 14. During which stage does a star spend the majority of its life? a) Red Giant b) Main Sequence c) Supernova d) Black Hole 15 / 30 15. What was the primary focus of the research paper titled "Gravitational Wave Detection by Interferometry (Project ARISE)" by Rainer Weiss, published in 1972? a) Development of the first interferometric gravitational wave detector b) Theoretical prediction of the existence of gravitational waves from black hole mergers c) Discovery of the first black hole-neutron star binary system d) Measurement of the spin of a supermassive black hole using X-ray emissions 16 / 30 16. What aspect of the universe will the James Webb Space Telescope (JWST) primarily focus on studying? a) Dark matter and dark energy b) Exoplanets and habitability c) Active galactic nuclei and black holes d) The early universe and the formation of galaxies 17 / 30 17. 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 18 / 30 18. What is the name of the radio source associated with Sagittarius A*, the supermassive black hole at the center of the Milky Way? a) Cygnus X-1 b) V404 Cygni c) Cassiopeia A d) Sagittarius A* 19 / 30 19. What is the name of the supermassive black hole at the center of the Milky Way galaxy? a) Andromeda b) Sagittarius A* c) Cygnus X-1 d) M87* 20 / 30 20. Who formulated the theory of general relativity, which provides the foundation for understanding black holes? a) Isaac Newton b) Albert Einstein c) Galileo Galilei d) Stephen Hawking 21 / 30 21. What role do supermassive black holes play in galaxy evolution? a) They trigger star formation b) They regulate the growth of galaxies through feedback mechanisms c) They destabilize galactic structures d) They repel interstellar matter 22 / 30 22. What is the typical energy release of a supernova compared to the Sun's lifetime energy output? a) Equal to one year of the Sun's energy output b) Equal to the Sun's energy output in its entire lifetime c) Equal to the Sun's energy output in one second d) Equal to the Sun's energy output in one month 23 / 30 23. What term describes the process of a black hole pulling matter from a nearby star? a) Spaghettification b) Accretion c) Redshift d) Hawking Radiation 24 / 30 24. 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 25 / 30 25. What property of a black hole is directly related to its gravitational influence and determines the size of its event horizon? a) Mass b) Temperature c) Charge d) Spin 26 / 30 26. What defines a supermassive black hole? a) A black hole with mass greater than 20 solar masses b) A black hole with mass between 20 and 100 solar masses c) A black hole with mass greater than 100,000 solar masses d) A black hole with mass greater than 1 million solar masses 27 / 30 27. What property of black hole mergers allows scientists to observe them using gravitational wave detectors? a) Their bright visible light emissions b) Their strong X-ray emissions c) Their rapid expansion d) Their distortion of spacetime 28 / 30 28. Which research paper, published in 2019, presented the first image of a black hole's event horizon, obtained using the Event Horizon Telescope (EHT)? a) "Observation of Gravitational Waves from a Binary Black Hole Merger" b) "First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole" c) "The Event Horizon Telescope Collaboration. Imaging the Central Supermassive Black Hole" d) "Detection of the First Interstellar Object 1I/2017 U1 'Oumuamua" 29 / 30 29. What concept describes the infinite density at the center of a black hole? a) Photon Sphere b) Singularity c) Wormhole d) White Hole 30 / 30 30. Which process leads to the formation of heavier elements during a star's life cycle? a) Nuclear fusion b) Nuclear fission c) Radioactive decay d) Gravitational collapse 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. Send feedback Share the above MCQs:Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on X (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)
