Do You Know Antimatter?

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  • 1/10 Questions

    A positron is the antiparticle of 

    • Electron
    • Proton
    • Neutron
    • Photon
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About This Quiz

An antimatter is a substance that consists of antipaticles which correspond to their particle counterparts. Antimatter particles have the same mass as their matter particle partners.

Do You Know Antimatter? - Quiz

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  • 2. 
    An antiproton is the antiparticle of  - ProProfs

    An antiproton is the antiparticle of 

    • Electron

    • Proton

    • Neutron

    • Photon

    Correct Answer
    A. Proton
    Explanation
    An antiproton is the antiparticle of a proton. Antiparticles have the same mass as their corresponding particles but have opposite charge. In the case of an antiproton, it has the same mass as a proton but carries a negative charge, whereas a proton carries a positive charge. When a particle and its corresponding antiparticle collide, they can annihilate each other, releasing energy in the process.

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  • 3. 
    The collision between a matter particle and its antiparticle partner is called  - ProProfs

    The collision between a matter particle and its antiparticle partner is called 

    • Mutual collision

    • Mutual annihilation

    • Mutual clash

    • Mutual combination

    Correct Answer
    A. Mutual annihilation
    Explanation
    When a matter particle collides with its antiparticle partner, they annihilate each other, resulting in the release of energy. This process is known as mutual annihilation.

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  • 4. 
    Matter particles usually have  - ProProfs

    Matter particles usually have 

    • Positive baryon number

    • Negative baryon number 

    • Neutral baryon number

    • No baryon number

    Correct Answer
    A. Positive baryon number
    Explanation
    Matter particles usually have a positive baryon number because baryon number represents the number of baryons (particles made up of three quarks) minus the number of antibaryons in a system. Since matter particles are made up of quarks and not their antimatter counterparts, they have a positive baryon number.

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  • 5. 
    The amount of energy released from collision of a particle and an antiparticle is dependent on  - ProProfs

    The amount of energy released from collision of a particle and an antiparticle is dependent on 

    • Total mass of matter

    • Total mass of antimatter

    • Total mass of antimatter and matter

    • Speed of collision

    Correct Answer
    A. Total mass of antimatter and matter
    Explanation
    The amount of energy released from the collision of a particle and an antiparticle is dependent on the total mass of antimatter and matter. This is because according to Einstein's famous equation E=mc^2, energy is equal to mass times the speed of light squared. When a particle and an antiparticle collide, they annihilate each other and their masses are converted into energy. Therefore, the total mass of both the antimatter and matter determines the amount of energy released.

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  • 6. 
    Antimatter particles usually have  - ProProfs

    Antimatter particles usually have 

    • Positive baryon number

    • Negative baryon number

    • Neutral baryon number

    • No baryon number

    Correct Answer
    A. Negative baryon number
    Explanation
    Antimatter particles usually have a negative baryon number because they are composed of antiparticles, which have opposite charges and quantum numbers compared to their corresponding particles. Baryon number is a quantum number that represents the number of baryons (particles made up of three quarks) minus the number of antibaryons in a system. Since antimatter particles are composed of antibaryons, they have a negative baryon number.

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  • 7. 
    An antiproton and a proton have  - ProProfs

    An antiproton and a proton have 

    • Different quantum number 

    • Similar electric charge

    • Same quantum number

    • Same energy level

    Correct Answer
    A. Different quantum number 
    Explanation
    Antiprotons and protons have different quantum numbers because they have opposite charges. The quantum numbers describe the unique set of properties and characteristics of a particle, such as its energy, spin, and angular momentum. Since antiprotons have a negative charge and protons have a positive charge, their quantum numbers will be different.

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  • 8. 
    The process by which inequality between antimatter and matter develop is called  - ProProfs

    The process by which inequality between antimatter and matter develop is called 

    • Symmetry

    • Asymmetry

    • Baryogenesis

    • Annihilation

    Correct Answer
    A. Baryogenesis
    Explanation
    Baryogenesis is the correct answer because it refers to the process by which the imbalance between matter and antimatter in the universe is created. In the early stages of the universe, there was an equal amount of matter and antimatter. However, through baryogenesis, a slight asymmetry was generated, resulting in more matter than antimatter. This imbalance is crucial for the existence of our universe as we know it, as matter and antimatter annihilate each other upon contact. Therefore, baryogenesis explains the development of inequality between matter and antimatter.

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  • 9. 
    The modern theory of antimatter began precisely in  - ProProfs

    The modern theory of antimatter began precisely in 

    • 1924

    • 1945

    • 1930

    • 1928

    Correct Answer
    A. 1928
    Explanation
    The modern theory of antimatter began in 1928. This was the year when physicist Paul Dirac formulated the Dirac equation, which described the behavior of relativistic electrons. Dirac's equation predicted the existence of antiparticles, which are particles with the same mass but opposite charge to their corresponding particles. This groundbreaking theory laid the foundation for the study of antimatter and led to the discovery of the first antiparticle, the positron, in 1932. Thus, 1928 marks a significant milestone in the development of the modern theory of antimatter.

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  • 10. 
    Which of the following scientists first used the term "antimatter" - ProProfs

    Which of the following scientists first used the term "antimatter"

    • Karl Pearson

    • Arthur Schuster

    • Paul Dirac

    • William Hicks

    Correct Answer
    A. Arthur Schuster
    Explanation
    Arthur Schuster is credited with first using the term "antimatter" in a lecture he gave in 1898. He used the term to describe hypothetical particles that would have the same mass as ordinary matter but opposite electrical charge. This concept of antimatter was later developed further by other scientists, including Paul Dirac, who formulated a mathematical theory for its existence. However, Schuster is recognized as the first scientist to introduce the term "antimatter" to describe this concept.

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  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 09, 2018
    Quiz Created by
    Timmy198
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