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MTEL Physics: Quantum Theory Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Fill in the blank: According to the Heisenberg Uncertainty Principle, the more precisely you know the velocity of a particle the _________________ the position of a particle.

Question 2 2. It is useful to think of a photon as a packet of

Question 3 3. A photon:

Question 4 4. What is a wavefunction?

Question 5 5. Snow is a good ___of light but a bad ___of light:

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Question 6 6. Which of the following is an example of light behaving like a particle?

Question 7 7. An object that is a good ___of radiation is also a good __of radiation:

Question 8 8. Which of these would be the better emitter of radiation?

Question 9 9. Scientists questioned the wave theory of light when they saw that increasing the light intensity would only increase the _____ of emitted electrons.

Question 10 10. When studying the photoelectric effect, scientists observed that _____were emitted from metal in response to a beam of light.

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Question 11 11. Which of the following is NOT something that quantum theory helps explain?

Question 12 12. The amount of energy necessary to pull an electron away from an atom is known as:

Question 13 13. The lowest possible electron energy level is the:

Question 14 14. The theory of wave-particle duality states that all matter has properties of

Question 15 15. An excited atom is:

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Question 16 16. An electron is traveling at 50 meters per second. If the mass of an electron is 9.1 x 10^-31, what is the de-Broglie wavelength of the electron?

Question 17 17. The portion of light that ___an object up is the portion that's ___by the object:

Question 18 18. A hypothetical and idealized object, one that is a perfect absorber of all wavelengths of radiation that fall on it, is called a:

Question 19 19. Which of the following defines wave-particle duality?

Question 20 20. An atom:

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Question 21 21. Why do everyday objects not show wave properties?

Question 22 22. Which of the following is an application of wave-particle duality?

Question 23 23. Which of the following is NOT an application of quantum theory in the real world?

Question 24 24. What is quantum theory?

Question 25 25. Who was the first to mathematically express the full concept of wave-particle duality?

MTEL Physics: Quantum Theory Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!

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