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

Multiple Choice Questions

1. Who discovered the theory of general relativity?
(a) Max Planck.
(b) Isaac Newton.
(c) Albert Einstein.
(d) Richard Feynman.

2. Which of the following is correct about the speed at which light moves?
(a) It moves at a constant speed for all observers.
(b) It moves at a constant speed only near a gravitational field.
(c) Its speed depends on the observer.
(d) It moves faster at higher energy levels.

3. Kaluza's theory suggested that electromagnetism was carried by ripples in _____.
(a) The three normal space dimensions.
(b) All dimensions of both space and time.
(c) The time-dimension only.
(d) The "curled up" dimensions.

4. Why can the objects predicted by string theory not be observed?
(a) Current magnification is at least 17 times too wide.
(b) Light does not exist at the scales involved.
(c) The objects exist only in other dimensions.
(d) The objects are not composed of matter.

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

Short Answer Questions

1. What is the result when a particle of matter and a particle of antimatter are brought into contact?

2. Which of the following was the first string theory?

3. What characteristic of the string determines the properties of the particle it represents?

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

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

(see the answer key)

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