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 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 2 / 30 2. What is the name of the mission launched by NASA to study X-ray emissions from black holes, neutron stars, and other high-energy phenomena? a) Hubble Space Telescope b) Chandra X-ray Observatory c) Fermi Gamma-ray Space Telescope d) Spitzer Space Telescope 3 / 30 3. 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 4 / 30 4. Which space observatory has contributed to the search for intermediate-mass black holes through X-ray observations? a) Hubble Space Telescope b) Chandra X-ray Observatory c) James Webb Space Telescope d) Spitzer Space Telescope 5 / 30 5. What is one challenge in confirming the existence of primordial black holes? a) Their rapid movement through space b) Their high visibility in the electromagnetic spectrum c) Their very small size or very large mass d) Their lack of gravitational influence 6 / 30 6. What observable feature is often left behind after a supernova explosion? a) A black hole b) A neutron star c) A supernova remnant d) A white dwarf 7 / 30 7. What type of object can produce detectable gravitational waves when it collides with a black hole? a) Neutron star b) White dwarf c) Red giant d) Exoplanet 8 / 30 8. What is the name of the galaxy hosting M87's Supermassive Black Hole? a) Milky Way b) Andromeda c) M87 d) Triangulum 9 / 30 9. Which term describes the light emitted from the edge of the event horizon due to gravitational effects? a) Hawking Radiation b) X-ray flares c) Accretion Radiation d) Relativistic Jets 10 / 30 10. 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) 11 / 30 11. According to Einstein's theory of general relativity, what causes the curvature of spacetime? a) The motion of planets b) The presence of magnetic fields c) The mass and energy of objects d) The speed of light 12 / 30 12. 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 13 / 30 13. How might intermediate-mass black holes contribute to the dynamics of their host star clusters? a) By stabilizing the orbits of stars b) By expelling stars from the cluster c) By increasing star formation rates d) By slowing down star motion 14 / 30 14. 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 15 / 30 15. What is one method through which supermassive black holes are believed to grow? a) By forming new stars b) By absorbing dark matter c) By merging with other black holes and accreting matter d) By fusing hydrogen atoms 16 / 30 16. What is one challenge in confirming the existence of intermediate-mass black holes? a) Their strong visible light emissions b) Their large distances from Earth c) Their relatively low luminosity compared to supermassive black holes d) Their rapid motion through space 17 / 30 17. What property of a black hole is inferred from the observation of its X-ray emissions? a) Spin b) Charge c) Temperature d) Mass accretion rate 18 / 30 18. 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 19 / 30 19. 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 20 / 30 20. 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 21 / 30 21. What event marks the end of a star's Main Sequence phase? a) Formation of a black hole b) Collapse into a white dwarf c) Exhaustion of hydrogen fuel in the core d) Explosion as a supernova 22 / 30 22. What did Stephen Hawking propose as a solution to the information paradox? a) Black holes have no event horizons b) Information is encoded on the event horizon c) Information leaks out of black holes over time d) Information is irretrievably lost in black holes 23 / 30 23. 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 24 / 30 24. What is the name of the black hole system that produced the first-ever observed gravitational waves, detected in 2015? a) Cygnus X-1 b) V404 Cygni c) GW170817 d) GW150914 25 / 30 25. What role could primordial black holes play in the study of the early universe? a) Providing insights into dark energy b) Offering clues about the conditions and processes shortly after the Big Bang c) Demonstrating the stability of neutron stars d) Showing the lifecycle of massive stars 26 / 30 26. 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) 27 / 30 27. What is the initial stage of a star's life cycle? a) Red Giant b) Main Sequence c) Nebula d) White Dwarf 28 / 30 28. What is the main reason for placing the James Webb Space Telescope (JWST) at Lagrange Point 2 (L2)? a) To provide a vantage point for observing the entire sky b) To avoid interference from Earth's atmosphere and thermal radiation c) To facilitate communication with ground control stations d) To minimize the risk of collision with space debris 29 / 30 29. How is the size of a black hole’s event horizon measured? a) By its radius b) By its volume c) By its circumference d) By its mass 30 / 30 30. What is the final evolutionary stage of a low-mass star? a) Black hole b) Neutron star c) White dwarf d) Red supergiant 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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