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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Seven, The Super in Superstring.

Multiple Choice Questions

1. In the 1800s, James Clerk Maxwell used a new mathematical framework to unite _____.
(a) Magnetism and light.
(b) Electricity and magnetism.
(c) Nuclear forces and gravity.
(d) Magnetism and gravity.

2. Black holes are dense and massive cosmological bodies. What unique distinction do they have?
(a) Light cannot escape their gravitational well.
(b) They are the only types of stars that can produce uranium and heavier elements.
(c) Neutrinos always flow towards them.
(d) They are the only objects that emit gamma rays.

3. Einstein's equation, E=mc^2, states that which of the following are equivalent?
(a) Light and magnetism.
(b) Electricity and magnetism.
(c) Energy and light.
(d) Energy and mass.

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. What does the quantum electroweak theory state about the two fundamental forces it describes?
(a) At extreme energy and temperature conditions, they become the same thing.
(b) In four-dimensional space, they are the same thing.
(c) They are identical at quantum scales.
(d) They only interact at the Planck length and below.

Short Answer Questions

1. Which of the following is true regarding experimental confirmation of string theory?

2. What is the quantum, or messenger particle, of the strong force?

3. What is the Planck tension?

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

5. What property did the double-slit experiment demonstrate that light has?

(see the answer key)

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