Black Hole: Trivia Quiz Questions!

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Black Hole: Trivia Quiz Questions! - Quiz

Have you ever asked, “What happens if the density of matter in a region becomes so high that not even light can escape? ”, Einstein once asked though. Black hole is exactly described by that question. Don't even think black hole is an empty space, No it's not, it is a great amount of matter packed into a very small area. It is important to note that most black holes are formed from the remnants of a large star that dies in a supernova explosion. Can you top this quiz? Give it a try.


Questions and Answers
  • 1. 

    How many layers can be found in a black hole?

    • A.

      9

    • B.

      7

    • C.

      1

    • D.

      3

    Correct Answer
    D. 3
    Explanation
    A black hole is formed when a massive star collapses under its own gravity, creating an extremely dense object with a gravitational pull so strong that nothing can escape it, including light. The layers in a black hole refer to the different regions or zones within it. The three layers typically referred to in a black hole are the event horizon, the singularity, and the innermost region. The event horizon is the boundary beyond which nothing can escape the black hole's gravitational pull. The singularity is the infinitely dense point at the center of the black hole. The innermost region is the region surrounding the singularity where matter and energy are compressed. Therefore, the correct answer is 3.

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  • 2. 

    Which of these is true about black holes?

    • A.

      It's has angular Velocity

    • B.

      Black Hole emits light

    • C.

      Two black holes can not meet

    • D.

      It has strong gravity

    Correct Answer
    D. It has strong gravity
    Explanation
    Black holes have strong gravity, which is one of their defining characteristics. Their gravitational pull is so intense that nothing, not even light, can escape from them once it crosses the event horizon. This strong gravity is a result of the immense mass packed into a small volume, causing a distortion in the fabric of spacetime.

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  • 3. 

    What is bound to happen in places where gravity is heavy?

    • A.

      Heavy fall

    • B.

      Future travel

    • C.

      Space escape

    • D.

      Neutralisation

    Correct Answer
    B. Future travel
    Explanation
    In places where gravity is heavy, it is bound to happen that future travel will be affected. Heavy gravity can make it difficult for objects or individuals to move freely, requiring more effort and energy to overcome the gravitational force. This can impact the feasibility and efficiency of travel in such places, making it more challenging to explore or navigate through them. Therefore, future travel is the likely outcome in areas with heavy gravity.

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  • 4. 

    When a black hole achieves a stable condition after formation, which of these does it not posses?

    • A.

      Angular momentum

    • B.

      Mass

    • C.

      Charge

    • D.

      Thorque

    Correct Answer
    D. Thorque
    Explanation
    A black hole does not possess "Thorque" because torque is a measure of the twisting force that causes an object to rotate around an axis. While black holes can have angular momentum, mass, and charge, they do not have torque as they are not subject to external forces that would cause them to rotate.

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  • 5. 

    Which of these does a Schwarzschild black holes has?

    • A.

      Angular momentum

    • B.

      Mass

    • C.

      Charge

    • D.

      Thorque

    Correct Answer
    B. Mass
    Explanation
    A Schwarzschild black hole has mass. Mass is a fundamental property of any object, including black holes. In the case of a Schwarzschild black hole, the mass is concentrated at a single point, creating a gravitational singularity. This singularity is surrounded by an event horizon, beyond which nothing, not even light, can escape. The mass of a black hole determines its size and strength of its gravitational pull. Therefore, mass is a characteristic feature of a Schwarzschild black hole.

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  • 6. 

    Which of these will destroy a black hole?

    • A.

      Merging of black holes

    • B.

      Multiple explosion

    • C.

      Water poured into a black hole

    • D.

      Hawking Radiation

    Correct Answer
    D. Hawking Radiation
    Explanation
    Hawking Radiation is the correct answer because it is a theoretical prediction made by physicist Stephen Hawking. According to this theory, black holes are not completely black but emit a faint radiation due to quantum effects near the event horizon. Over time, this radiation causes the black hole to lose mass and energy, eventually leading to its complete evaporation. Therefore, Hawking Radiation can be considered as a process that destroys a black hole.

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  • 7. 

    Whose theorem states that the simplest black hole is the only vacuum solution that is vertically symmetric?

    • A.

      Bowman

    • B.

      Einstein

    • C.

      Birkholf

    • D.

      Rutherford

    Correct Answer
    C. Birkholf
    Explanation
    Birkholf's theorem states that the simplest black hole is the only vacuum solution that is vertically symmetric. This means that in a vacuum, the black hole is the only solution that remains the same if it is rotated 180 degrees along its axis of symmetry. This theorem is an important concept in black hole physics and helps to understand the properties and behavior of black holes.

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  • 8. 

    Into how many are black holes classified?

    • A.

      8

    • B.

      7

    • C.

      4

    • D.

      9

    Correct Answer
    C. 4
    Explanation
    Black holes are classified into four types based on their size and properties: stellar black holes, intermediate-mass black holes, supermassive black holes, and miniature black holes. Stellar black holes are formed from the collapse of massive stars, while intermediate-mass black holes are believed to be formed through the merging of smaller black holes. Supermassive black holes are found at the centers of galaxies and can have masses millions or billions of times that of the sun. Miniature black holes, on the other hand, are hypothetical and have extremely small masses. Therefore, the correct answer is 4.

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  • 9. 

    Which year was  the first modern solution of general relativity that would characterize a black hole found?

    • A.

      1916

    • B.

      1986

    • C.

      2001

    • D.

      180BC

    Correct Answer
    A. 1916
    Explanation
    In 1916, the first modern solution of general relativity that characterized a black hole was found. This marked a significant milestone in the understanding of black holes and their properties. The discovery provided a theoretical framework for studying the behavior of black holes and their gravitational effects. It laid the foundation for further research and exploration of these enigmatic objects in the universe.

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  • 10. 

    Which of these descriptions about photon Spheres is true?

    • A.

      Zero thickness

    • B.

      56mm thick

    • C.

      Round shape

    • D.

      Fluidity

    Correct Answer
    A. Zero thickness
    Explanation
    Photon Spheres are theoretical regions in spacetime where photons can orbit around a black hole. They are not physical objects and do not have any thickness. Therefore, the description "Zero thickness" is true for photon spheres.

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