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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. Which of the follow best describes a boson?
(a) A particle of matter.
(b) The supersymmetric version of a proton.
(c) A particle of energy, a messenger particle for a force.
(d) The super-partner of a proton.

2. Which of the following qualities must a physical law have in order to be considered symmetric?
(a) It is valid for both matter and energy.
(b) It works regardless of the spin of the particles involved.
(c) It does not depend on where or when it is applied.
(d) It is valid for both matter and anti-matter.

3. Which of the following is a correct statement, based on the theory of special relativity?
(a) Energy only exists relative to mass.
(b) Time is always the same to all observers, but space is not.
(c) Movement can only be measured relative to very massive objects, such as stars.
(d) Time and space are not experienced exactly the same by all observers

4. What are the vibrational patterns that a string can exhibit called?
(a) Harmonics.
(b) Resonances.
(c) Notes.
(d) Chords.

5. Which of the following theory was NOT developed in order to try to resolve the conflicts between quantum mechanics and general relativity?
(a) Quantum electrodynamics.
(b) Superstring theory.
(c) Quantum field theory.
(d) Inflationary theory.

6. Which of the following is true regarding the mass and spin of a pair of superpartners?
(a) Their masses and spins are not related.
(b) They have unrelated masses, and their spins differ by 1.
(c) They have the same mass, and their spins differ by 1/2.
(d) They have the same mass and spin.

7. According to general relativity, all objects that have mass have what effect on space-time?
(a) They stretch space-time for other very distant objects.
(b) They tear space-time when they travel at near-light speeds.
(c) They fold space-time as they move past one another.
(d) They warp space-time around them.

8. How are the wavelength of a string's vibration and the mass of the particle it represents related?
(a) If there is a wavelength above the Planck length, the particle is massless.
(b) The longer the wavelength, the less massive the particle.
(c) Wavelength and mass are not related.
(d) The longer the wavelength, the more massive the particle.

9. What property of electromagnetic waves did Max Planck solve the thermodynamic problem of the oven by discovering?
(a) There are infinite numbers of waves, but each has an infinitely small energy.
(b) They have a minimum energy, proportional to their frequency.
(c) Waves are really particles.
(d) They can penetrate or "tunnel" through any surface.

10. What are the characteristics of a wave?
(a) Amplitude and energy.
(b) Frequency, polarity, and wavelength.
(c) Energy level, polarity, and speed.
(d) Frequency, wavelength, and amplitude.

11. Which of the following is not one of the four fundamental forces of the universe?
(a) The nuclear-weak force.
(b) The photoelectric force.
(c) The electromagnetic force.
(d) Gravity.

12. In 1968 it was discovered that protons and neutrons are composed of which type of particle?
(a) Baryons.
(b) Muons.
(c) Neutrinos.
(d) Quarks.

13. The first version of string theory did not include any particles of _____.
(a) Messenger particles.
(b) Bosons.
(c) Gravitons.
(d) Fermions.

14. Which of the following was the first string theory?
(a) Hadron string theory.
(b) Lepton theory.
(c) Bosonic string theory.
(d) Fermionic string theory.

15. What rule did Max Planck discover the electromagnetic waves bounded in a container, such as an oven, must follow?
(a) The energies of all waves inside the over must cancel out to zero.
(b) The frequencies of the waves must all be the same.
(c) There must be an even number of peaks and troughs.
(d) They must have a whole number of peaks and troughs that fit perfectly inside the container.

Short Answer Questions

1. Which of the following is correct about the speed at which light moves?

2. What type of motion cannot be felt or sensed by the moving observer?

3. In which particle was spin first discovered?

4. Which of the following did Einstein considered time?

5. According to general relativity, the change that an object causes in the fabric of space-time depends directly on _____.

(see the answer keys)

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