View a FREE sample

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 is the Planck energy?
(a) The typical energy of a vibrating string.
(b) The energy required to change a string's pattern.
(c) The typical energy of a messenger particle.
(d) The energy required to create a string.

2. Under string theory, which of the following is true regarding extra dimensions?
(a) They must all be space-dimensions.
(b) They must all be time-dimensions.
(c) They must all be space-dimensions, or they must all be time-dimensions.
(d) Some or all of them might be time-dimensions.

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

4. According to string theory, why do different particles have different properties?
(a) Their strings are vibrating in different patterns.
(b) Their strings do not have the same number of dimensions.
(c) Their strings are different lengths.
(d) They have different types of strings.

5. Which of the following was the first string theory?
(a) Bosonic string theory.
(b) Hadron string theory.
(c) Fermionic string theory.
(d) Lepton theory.

Short Answer Questions

1. Which physicist is credited with discovering that light is composed of particles?

2. Which of the following is one of the major problems in using both quantum physics and general relativity?

3. How are the wavelength of a string's vibration and the mass of the particle it represents related?

4. Quantum physics began with the study of the energy inside a heated, closed container, such as an oven. The problem with theories at the time was that they predicted that _____.

5. When the distance between two objects is doubled, what happens to the strength of the gravitational pull between them?

(see the answer key)

This section contains 384 words (approx. 2 pages at 300 words per page) View a FREE sample