View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Twelve, Beyond Strings, In Search of M-Theory.

Multiple Choice Questions

1. The wave-like nature of the electron means that after a collision, _____.
(a) The electron will double in frequency.
(b) The electron can never be located again.
(c) The electron will disperse into a wave of energy.
(d) The electron has a range of possible locations.

2. How many dimensions did the tiny objects involved in the original statement of string theory have?
(a) Four.
(b) Three.
(c) Two.
(d) One.

3. 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.

4. What characteristic of the string determines the properties of the particle it represents?
(a) The number of other strings with which it is threaded.
(b) Its frequency of vibration.
(c) Its length.
(d) Its mass.

5. The method of tearing space-time discovered by Greene and others is called _____.
(a) Space-tearing flop transition.
(b) Quantum collision.
(c) Space-tearing wormhole formation.
(d) Spontaneous tunneling reaction.

Short Answer Questions

1. What is the quantum, or messenger particle, of gravity?

2. Which of the following is true regarding tears in space time occurring in normal three-dimensional space?

3. 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 _____.

4. Kaluza's theory suggested that electromagnetism was carried by ripples in _____.

5. What is the Planck tension?

(see the answer key)

This section contains 348 words (approx. 2 pages at 300 words per page) View a FREE sample