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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 3, Of Warps and Ripples.
Multiple Choice Questions
1. According to Einstein's theory of general relativity, if two objects have a gravitational pull on one another, and one changes its mass or distance from the other, how quickly does the effect of this change travel to the other object?
(a) Near the speed of light, faster for lighter objects.
(b) Instantaneously.
(c) At exactly the speed of light.
(d) Near the speed of light, faster for more massive objects.
2. Einstein's equation, E=mc^2, states that which of the following are equivalent?
(a) Electricity and magnetism.
(b) Light and magnetism.
(c) Energy and mass.
(d) Energy and light.
3. Which of the following is not true according to special relativity?
(a) Motion and time are relative; they depend on the observer.
(b) Time does not pass for objects that are perfectly at rest.
(c) No object can move faster than the speed of light.
(d) All objects move at a constant speed through space-time.
4. What is the fundamental particle, the smallest possible bundle of energy, for the electromagnetic force?
(a) The photon.
(b) The electron.
(c) The neutrino.
(d) The gluon.
5. What characteristic of the string determines the properties of the particle it represents?
(a) Its frequency of vibration.
(b) Its length.
(c) The number of other strings with which it is threaded.
(d) Its mass.
Short Answer Questions
1. Who discovered the theory of general relativity?
2. What is the shape of all particles, at the smallest possible level, according to string theory?
3. Which of the following correctly describes the structure of an atom?
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?
5. Which of the following is a correct statement, based on the theory of special relativity?
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This section contains 396 words (approx. 2 pages at 300 words per page) |
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