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 fresh, 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 significant concept was introduced in the research paper titled "The No-Hair Theorem in General Relativity" by Brandon Carter, published in 1971? a) The concept of black hole complementarity b) The existence of gravitational waves c) The idea that black holes can emit radiation d) The no-hair theorem, stating that black holes have only three observable properties: mass, charge, and angular momentum 2 / 30 2. What is the singularity inside a black hole? a) A large mass b) A region of zero volume and infinite density c) A light source d) A space-time warp 3 / 30 3. What was the key finding of the research paper titled "Measurement of Gravitational Waves from a Binary Black Hole Merger" by the LIGO Scientific Collaboration and Virgo Collaboration, published in 2016? a) Detection of gravitational waves from a neutron star merger b) Confirmation of the existence of intermediate-mass black holes c) Observation of the merger of two stellar-mass black holes d) Measurement of the spin rate of a supermassive black hole 4 / 30 4. 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 5 / 30 5. How does the rate of Hawking Radiation emission change as a black hole's mass decreases? a) The rate decreases b) The rate increases c) The rate remains constant d) The rate fluctuates 6 / 30 6. What type of black holes were discovered by astronomers in 2019, challenging previous models of black hole formation? a) Primordial black holes b) Intermediate-mass black holes c) Supermassive black holes d) Stellar-mass black holes 7 / 30 7. What is the name of the observatory that made the first direct detection of gravitational waves from a black hole merger? a) Hubble Space Telescope b) Chandra X-ray Observatory c) Laser Interferometer Gravitational-Wave Observatory (LIGO) d) Very Large Telescope (VLT) 8 / 30 8. What is the estimated mass of Cygnus X-1, the first confirmed black hole? a) 3 solar masses b) 10 solar masses c) 15 solar masses d) 30 solar masses 9 / 30 9. What is the boundary around a black hole called? a) Event Horizon b) Photon Sphere c) Singularity d) Accretion Disk 10 / 30 10. What ongoing challenge do theoretical physicists face in resolving the information paradox and understanding the true nature of black holes? a) Experimentally testing predictions of black hole evaporation b) Identifying observable signatures of exotic matter near black holes c) Reconciling quantum mechanics with general relativity d) Explaining the existence of supermassive black holes in the early universe 11 / 30 11. What type of particles does Hawking Radiation predominantly consist of? a) Photons b) Neutrinos c) Electrons d) Virtual particle pairs 12 / 30 12. Which space telescope provided the first direct image of a supermassive black hole's event horizon? a) Hubble Space Telescope b) Chandra X-ray Observatory c) James Webb Space Telescope d) Event Horizon Telescope 13 / 30 13. What type of star is formed after a supernova explosion if the core remnant is between 1.4 and 3 solar masses? a) White Dwarf b) Neutron Star c) Red Giant d) Black Hole 14 / 30 14. What typically triggers a Type Ia supernova? a) The collapse of a massive star b) The merger of two neutron stars c) The accretion of matter onto a white dwarf from a companion star d) The explosion of a red giant 15 / 30 15. 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 16 / 30 16. What evidence supports the presence of a supermassive black hole at the center of the Milky Way? a) Observation of gravitational waves b) Detection of X-ray emissions from its accretion disk c) Observation of stars orbiting rapidly near its center d) Imaging its event horizon using the Hubble Space Telescope 17 / 30 17. What is the name of the point of no return around a black hole, beyond which escape is impossible? a) Event Horizon b) Singularity c) Photon Sphere d) Gravitational Field 18 / 30 18. What recent discovery provided evidence for the existence of a population of "intermediate-mass" black holes in star clusters? a) X-ray emissions from an ultraluminous X-ray source b) Detection of gravitational waves from a black hole merger c) Observation of hypervelocity stars escaping a galactic center d) Imaging of a black hole shadow using the Event Horizon Telescope 19 / 30 19. What effect does the gravitational redshift have on light emitted from near a black hole? a) It shifts the light toward the blue end of the spectrum b) It shifts the light toward the red end of the spectrum c) It increases the intensity of the light d) It polarizes the light 20 / 30 20. What phenomenon occurs when an object gets stretched by a black hole’s tidal forces? a) Time Dilation b) Spaghettification c) Cosmic Inflation d) Redshift 21 / 30 21. What is the term used to describe the stretching and elongation of an object as it approaches the event horizon of a black hole? a) Time dilation b) Gravitational lensing c) Black hole evaporation d) Spaghettification 22 / 30 22. What groundbreaking discovery was announced by astronomers in 2020 regarding the black hole at the center of the Milky Way? a) Evidence of a supermassive black hole merger b) Detection of gravitational waves from Sagittarius A* c) Identification of a new class of intermediate-mass black holes d) Confirmation of the existence of a disk of gas orbiting Sagittarius A* 23 / 30 23. What is the significance of studying black holes using multiple wavelengths, including X-rays, radio waves, and visible light? a) It allows for the direct observation of black holes b) It provides a comprehensive view of black hole environments and processes c) It enables the detection of gravitational waves from black hole mergers d) It helps measure the mass of black holes accurately 24 / 30 24. What term describes the process of a black hole pulling matter from a nearby star? a) Spaghettification b) Accretion c) Redshift d) Hawking Radiation 25 / 30 25. Which famous supernova was observed in 1987 in the Large Magellanic Cloud? a) SN 1054 b) SN 1572 c) SN 1604 d) SN 1987A 26 / 30 26. 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 27 / 30 27. 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 28 / 30 28. What is one potential method for detecting intermediate-mass black holes? a) Observing their direct emissions b) Detecting gravitational waves from their mergers c) Measuring the cosmic microwave background d) Observing star formation rates 29 / 30 29. Which of the following phenomena occurs when matter spirals into a black hole, emitting high-energy radiation detectable by X-ray telescopes? a) Accretion disk b) Photon sphere c) Event horizon d) Gravitational lensing 30 / 30 30. What is time dilation near a black hole, as predicted by general relativity? a) Time speeds up near a black hole b) Time slows down near a black hole c) Time remains constant near a black hole d) Time reverses near a black hole 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 Buy Black Hole MCQ PDF for Offline Study
