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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5, The Need for a New Theory, General Relativity vs. Quantum Mechanics.
Multiple Choice Questions
1. Edwin Hubble used Einstein's theories to show that the fabric of the universe _____.
(a) Is uniform in all places and times.
(b) Is not flat, it is curved, either inwards or outwards.
(c) Is not static, it must either be shrinking or expanding.
(d) Has a finite boundary.
2. Which of the following is closest to the Planck length?
(a) A millionth of a centimeter.
(b) A millionth of a billionth of a billionth of a billionth of a centimeter.
(c) A billionth of a billionth of a centimeter.
(d) A thousandth of a centimeter.
3. Black holes are dense and massive cosmological bodies. What unique distinction do they have?
(a) They are the only types of stars that can produce uranium and heavier elements.
(b) Neutrinos always flow towards them.
(c) Light cannot escape their gravitational well.
(d) They are the only objects that emit gamma rays.
4. Which physicist is credited with discovering that light is composed of particles?
(a) Planck.
(b) Einstein.
(c) Rutherford.
(d) Maxwell.
5. Which of the following is not true according to special relativity?
(a) Time does not pass for objects that are perfectly at rest.
(b) No object can move faster than the speed of light.
(c) Motion and time are relative; they depend on the observer.
(d) All objects move at a constant speed through space-time.
Short Answer Questions
1. In the 1800s, James Clerk Maxwell used a new mathematical framework to unite _____.
2. What type of motion cannot be felt or sensed by the moving observer?
3. What rule did Max Planck discover the electromagnetic waves bounded in a container, such as an oven, must follow?
4. What type of a wave is light?
5. According to Newton's law of gravity, the strength of the pull between two objects depends on what factors?
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This section contains 390 words (approx. 2 pages at 300 words per page) |
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