Black Holes-MCQs

1. What is a black hole?
  • A dense star
  • A giant planet
  • A region in space with strong gravity from which nothing can escape
  • A type of nebula
2. Who first predicted the existence of black holes?
  • A type of nebula
  • Albert Einstein
  • Stephen Hawking
  • Galileo Galilei
3. What theory is black hole formation based on?
  • Quantum Mechanics
  • Newton’s Law
  • General Theory of Relativity
  • Theory
4. What lies at the center of a black hole?
  • Dark matter
  • Neutron star
  • Singularity
  • Wormhole
5. What is the boundary of a black hole called?
  • Black ring
  • Event horizon
  • Gravitational shell
  • Photon sphere
6. How many main types of black holes are there?
  • Two
  • Three
  • Four
  • Five
7. Which of the following is NOT a type of black hole?
  • Stellar
  • Supermassive
  • Primordial
  • Solar
8. What type of black hole is formed by the collapse of a massive star?
  • Mini black hole
  • Stellar black hole
  • Supermassive black hole
  • White hole
9. Where are supermassive black holes usually found?
  • In space clouds
  • At the center of galaxies
  • At the edge of the universe
  • Inside stars
10. Which galaxy is known to host the supermassive black hole Sagittarius A*?
  • Andromeda
  • Sombrero Galaxy
  • Milky Way
  • Whirlpool Galaxy
11. What can escape a black hole?
  • Light
  • Sound
  • Matter
  • Nothing
12. What is “Hawking Radiation”?
  • Theoretical radiation emitted by black holes
  • Light from stars falling into a black hole
  • Heat generated by black holes
  • Waves created by spinning black holes
13. What happens to time near a black hole?
  • It slows down
  • It stops
  • It speeds up
  • It disappears
14. What does a black hole do to space-time?
  • Flattens it
  • Has no effect
  • Distorts and curves it
  • Erases it
15. Which tool is primarily used to detect black holes?
  • Thermometers
  • Telescopes detecting X-rays and gravitational waves
  • Radiowaves
  • Radar
16. What discovery in 2019 provided the first image of a black hole?
  • Event Horizon Telescope
  • James Webb Telescope
  • Hubble Space Telescope
  • Voyager Probe
17. What is spaghettification?
  • Compression of black holes
  • Stretching of matter near black holes due to gravity
  • Folding of time
  • Absorption of galaxies
18. Which black hole merger was first detected via gravitational waves in 2015?
  • Sagittarius A* collision
  • GW150914
  • Andromeda-Sirius event
  • M87 Eruption
19. What concept opposes the idea of a black hole?
  • Dark energy
  • White hole
  • Wormhole
  • Red giant
20. What is the ultimate fate of a black hole according to Hawking?
  • It expands forever
  • It evaporates over time through Hawking radiation
  • It becomes a neutron star
  • It turns into dark matter