Quiz  /  Quantum mechanics Class 7 MCQ Questions With Answers

  • 1. 
    What is the light?

  • A wave
  • A particle
  • Both
  • Both A & B

  • 2. 
    Who is Max Planck?

  • A chemist
  • A physicist and the Quantum Mechanics pioneer
  • Communism's creator
  • None of these

  • 3. 
    Which is the atomic model now?

  • Shrodingüer's model
  • Quantum's model
  • Einstein's model
  • Both A & B

  • 4. 
    Which is the number of the most equations of Quantum Mechanics?

  • planck's constant (h)
  • Speed of electron (z)
  • Wavelegth of water molecule (A)
  • Size of universe (ñ)

  • 5. 
    In quantum mechanics is energy conserved?

  • Always
  • never
  • yes and not, the not is because it's only momentarily
  • All of above

  • 6. 
    Which is the equation of De Broglie's hypothesis correct? (Wavelenght is equals to...)

  • h/(mv) = planck constant/(mass·speed)
  • h/v = planck constant/speed
  • v/m = speed/mass
  • All of above

  • 7. 
    What is the uncertainty principle?

  • We can't know 2 parameters at the same time, only both with a margin of uncertainty.
  • We can only know 1 parameter of 2, having the other with uncertainty
  • We can't have known of any parameter
  • None of these

  • 8. 
    What experiment changed classical mechanics of physics by of a theoretical error?

  • The black hole
  • Newton's prime
  • The ultraviolet catastrophe
  • the infrared effect

  • 9. 
    What was the atomic model that had the problem it triggered in quantum atomic model?

  • Dalton's model
  • Heissenberg's model
  • Thompson's model
  • Rutherford's model

  • 10. 
    What is the current interpretation of physical theories?

  • Quantum field theory
  • nihilistic theory
  • We haven't current interpretation.
  • String theory
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