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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6, Nothing but Music, The Essentials of Superstring Theory.

Multiple Choice Questions

1. The wave-like nature of the electron means that after a collision, _____.
(a) The electron has a range of possible locations.
(b) The electron will double in frequency.
(c) The electron can never be located again.
(d) The electron will disperse into a wave of energy.

2. 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) Waves are really particles.
(c) They have a minimum energy, proportional to their frequency.
(d) They can penetrate or "tunnel" through any surface.

3. What is the fundamental force responsible for keeping the nucleus of an atom "glued" together?
(a) The nuclear-strong force.
(b) Potential electrical force.
(c) Gravitational force.
(d) Quantum-tunneling force.

4. According to general relativity, the change that an object causes in the fabric of space-time depends directly on _____.
(a) Its density.
(b) Its mass.
(c) Its direction compared to the observer.
(d) Its proximity to another massive body.

5. Which of the following accurately describes the phenomenon of "quantum tunneling"?
(a) Some particles are linked together, no matter how much space separates them.
(b) High-energy waves can penetrate the fabric of space-time for very short periods of time.
(c) Particles with high energy can vanish in one location, instantly appearing in another.
(d) Particles can sometimes "borrow" energy to move in ways impossible in classical physics.

Short Answer Questions

1. According to special relativity, which of the following can move faster than light?

2. What is different about a particle of antimatter, compared to its normal counterpart?

3. Which of the following theory was NOT developed in order to try to resolve the conflicts between quantum mechanics and general relativity?

4. What type of a wave is light?

5. In 1968 it was discovered that protons and neutrons are composed of which type of particle?

(see the answer key)

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