Physics Chapter on Charge and Quarks
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Questions and Answers

What does the conservation of charge entail?

  • Charge can only exist as fractions of an electron's charge.
  • The total electric charge in a closed system remains constant. (correct)
  • Charge can be created or destroyed.
  • Total charge in a system can fluctuate based on external forces.

    • Which of the following statements accurately describes quantization of charge?

  • Observed charge values are always whole number multiples of an electron's charge. (correct)
  • Charge can be measured in fractions of an electron.
  • Charge can be broken down infinitely.
  • Electric charge can exist in multiple forms, including decimal values.

    • According to Coulomb's Law, what happens to the electric force if the distance between two charges is doubled?

  • The force becomes one-fourth of its original value. (correct)
  • The force remains unchanged.
  • The force becomes half its original value.
  • The force becomes four times its original value.

    • What is a baryon composed of?

    <p>Three quarks. (A)</p> Signup and view all the answers

    Which of the following correctly describes the interaction between unlike charges?

    <p>They attract each other. (B)</p> Signup and view all the answers

    Signup and view all the answers

    Study Notes

    Conservation of Charge

    • The total electric charge in an isolated system never changes
    • You cannot create or destroy electric charge from nothing
    • Charge can be transferred from one object to another, but the total amount of charge in the system stays the same

    Quantization of Charge

    • You cannot have a fraction of an electron's worth of charge
    • All observed charges are whole-number multiples of the electron's charge

    Quarks

    • Quarks are the fundamental building blocks of protons and neutrons
    • Protons and neutrons form the nucleus of an atom
    • There are six types of quarks: up, down, charm, strange, top, and bottom

    Quark Combinations

    • Meson: a quark-antiquark pair
    • Baryon: a combination of three quarks
    • Antibaryon: three antiquarks
    • Hadrons: mesons and baryons
    • Tetraquarks: consist of 4 quarks
    • Pentaquarks: consist of 4 quarks and 1 antiquark

    Coulomb's Law

    • Coulomb's law describes the electrostatic force between two charged particles
    • The force is proportional to the product of the charges
    • The force is inversely proportional to the square of the distance between the charges
    • The stronger the charges, the stronger the force
    • The closer the charges, the stronger the force
    • Coulomb's Law formula is: F = k |q₁q₂| / r²
      • F = force between two charges
      • q₁ and q₂ = the charges
      • r = distance between the two charges
      • k = Coulomb's constant (9 x 10⁹ N⋅m²/C²)

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    Coulomb's Law: Conservation of Charges - GEN-PHY-2

    Description

    Explore the fundamental concepts of electric charge, quantization, and quarks with this quiz. Test your knowledge on conservation of charge, the nature of quarks, and the combinations that form hadrons. Perfect for students studying advanced physics topics!

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