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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Thirteen, Black Holes, A String/M Theory Perspective.

Multiple Choice Questions

1. What distinction does dark matter have?
(a) It can spontaneously form black holes.
(b) It is composed of anti-matter.
(c) It does not give off light.
(d) It exists in curled-up dimensions.

2. Which of the following is true regarding experimental confirmation of string theory?
(a) It can never be confirmed.
(b) It was confirmed in the 1980s.
(c) It has not yet been experimentally confirmed.
(d) It has been experimentally confirmed, but the data are still being processed.

3. What are the components of an atomic nucleus?
(a) Protons and electrons.
(b) Photons and electrons.
(c) Electrons and neutrons.
(d) Protons and neutrons.

4. Two theories form the basis of modern physics, but are incompatible with one another. String theory attempts to reconcile these fields. What are these two theories?
(a) Quantum mechanics and the photoelectric effect.
(b) General relativity and quantum mechanics.
(c) Gravity and general relativity.
(d) General relativity and special relativity.

5. As a string becomes wrapped, which of its properties increases?
(a) Its energy.
(b) Its amplitude.
(c) Its spin.
(d) Its wavelength.

Short Answer Questions

1. The advent of fermionic vibrational patterns resulted in the creation of _____.

2. What is the Planck mass?

3. Who first proposed the existence of extra dimensions?

4. The wave-like nature of the electron means that after a collision, _____.

5. Which of the following is true regarding the force of gravity in string theory?

(see the answer key)

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