This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5, The Need for a New Theory, General Relativity vs. Quantum Mechanics.

Multiple Choice Questions

1. Richard Feynman's "sum over paths" theory states that in the double-slit experiment, an electron behaves in what way?
(a) It follows all possible paths at the same time.
(b) The sum of all possible frequencies describes the frequency of the final path taken.
(c) It follows a unique path every time.
(d) It follows the same path every time.

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

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

4. If a clock were accelerated to nearly the speed of light for a year's time, which of the following would be true of its reading at the end of that time?
(a) It would be exactly equal to one year.
(b) Its reading would be random and meaningless.
(c) It would be less than one year.
(d) It would be more than one year.

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