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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6, Nothing but Music, The Essentials of Superstring Theory.
Multiple Choice Questions
1. What type of motion cannot be felt or sensed by the moving observer?
(a) Constant-velocity movement.
(b) Orbital movement around a star.
(c) Accelerating movement.
(d) Slowing or decelerating movement.
2. 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) General relativity and special relativity.
(b) Gravity and general relativity.
(c) Quantum mechanics and the photoelectric effect.
(d) General relativity and quantum mechanics.
3. How are the wavelength of a string's vibration and the mass of the particle it represents related?
(a) If there is a wavelength above the Planck length, the particle is massless.
(b) Wavelength and mass are not related.
(c) The longer the wavelength, the more massive the particle.
(d) The longer the wavelength, the less massive the particle.
4. What is the quantum, or messenger particle, of the strong force?
(a) The muon.
(b) The gluon.
(c) The hadron.
(d) The baryon.
5. Which of the following is true regarding experimental confirmation of string theory?
(a) It has not yet been experimentally confirmed.
(b) It was confirmed in the 1980s.
(c) It has been experimentally confirmed, but the data are still being processed.
(d) It can never be confirmed.
Short Answer Questions
1. How many dimensions did the tiny objects involved in the original statement of string theory have?
2. Which of the follow is true of objects with which string theory is concerned?
3. What property of electromagnetic waves did Max Planck solve the thermodynamic problem of the oven by discovering?
4. Einstein's equation, E=mc^2, states that which of the following are equivalent?
5. What is the Planck mass?
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This section contains 364 words (approx. 2 pages at 300 words per page) |
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