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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 4, Microscopic Weirdness.
Multiple Choice Questions
1. Which of the following is not one of the four fundamental forces of the universe?
(a) Gravity.
(b) The nuclear-weak force.
(c) The photoelectric force.
(d) The electromagnetic force.
2. In 1968 it was discovered that protons and neutrons are composed of which type of particle?
(a) Neutrinos.
(b) Quarks.
(c) Baryons.
(d) Muons.
3. According to Newton's law of gravity, the strength of the pull between two objects depends on what factors?
(a) Their masses and potential energies.
(b) Their densities and the strength of the gravitational field they occupy.
(c) Their masses and the distance between them.
(d) The distance between them and their average atomic numbers.
4. What would an outside observer notice about an object moving near the speed of light?
(a) It would be shorted in the direction of its movement.
(b) It would appear vastly larger than it would at rest.
(c) It would not be observable under any circumstances.
(d) It would appear to move slower near a gravitational field.
5. When the distance between two objects is doubled, what happens to the strength of the gravitational pull between them?
(a) It is unchanged.
(b) It diminishes to one-fourth its original value.
(c) It quadruples.
(d) It diminishes to one-half its original value.
Short Answer Questions
1. The smallest possible unit of energy is referred to as _____.
2. 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 _____.
3. What is different about a particle of antimatter, compared to its normal counterpart?
4. Edwin Hubble used Einstein's theories to show that the fabric of the universe _____.
5. Einstein's equation, E=mc^2, states that which of the following are equivalent?
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This section contains 354 words (approx. 2 pages at 300 words per page) |
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