View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Ten, Quantum Geometry.

Multiple Choice Questions

1. What is the shape of all particles, at the smallest possible level, according to string theory?
(a) A thread of thin strings.
(b) A tangled ball of thin filament.
(c) A one-dimension loop.
(d) An infinitely long string.

2. In ratios of what number do winding energies come?
(a) Two.
(b) Ten.
(c) Any whole number.
(d) Six.

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

4. Why are the fluctuations that quantum physics predicts not observable in everyday life?
(a) The human brain filters them out.
(b) The fluctuations only occur in deep space.
(c) On large scales, the effects cancel each other out.
(d) Most fluctuations are canceled out by electromagnetic waves, like light.

5. Which of the following best describes the fate of Kaluza-Klein theory?
(a) It became widespread for a short time, but receives almost no attention now.
(b) It became the mathematical basis of general relativity.
(c) It was updated through the 1970s, and eventually incorporated into string theory.
(d) It was quickly discarded as meaningless, but rediscovered by string theory.

Short Answer Questions

1. What metric best approximates the scales at which extra dimensions would have a major impact?

2. Which of the following is true about the tension within a string?

3. In the 1800s, James Clerk Maxwell used a new mathematical framework to unite _____.

4. Which of the following is not true according to special relativity?

5. The smallest possible unit of energy is referred to as _____.

(see the answer key)

This section contains 364 words (approx. 2 pages at 300 words per page) View a FREE sample