Modern Physics Quiz
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Questions and Answers

Which of the following is NOT a branch of modern physics?

  • Thermodynamics (correct)
  • Quantum mechanics
  • Relativity
  • Astrophysics

    • What is the speed of light in a vacuum?

  • 299,792,458 m/s (correct)
  • 186,000 miles/s
  • 3.00 x 10^8 km/s
  • All of the above

    • What is the Heisenberg Uncertainty Principle?

  • The principle that states that the entropy of any isolated system always increases over time
  • The principle that states that the force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them
  • The principle that states that the more precisely the position of a particle is known, the less precisely its momentum can be known (correct)
  • The principle that states that energy is always conserved in a closed system

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