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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Nine: The Smoking Gun, Experimental Signatures.

Multiple Choice Questions

1. If a clock were accelerated to nearly the speed of light for a year's time, which of the following would be true of its reading at the end of that time?
(a) It would be less than one year.
(b) It would be exactly equal to one year.
(c) Its reading would be random and meaningless.
(d) It would be more than one year.

2. Einstein's equation, E=mc^2, states that which of the following are equivalent?
(a) Light and magnetism.
(b) Electricity and magnetism.
(c) Energy and light.
(d) Energy and mass.

3. Quantum chromodynamics concerns quantum mechanics and ____.
(a) The strong force.
(b) The electromagnetic force.
(c) Gravity.
(d) The weak force.

4. Quantum electroweak theory concerns quantum mechanics and _____.
(a) The strong force.
(b) The weak force.
(c) The electromagnetic force.
(d) Gravity.

5. What does the quantum electroweak theory state about the two fundamental forces it describes?
(a) In four-dimensional space, they are the same thing.
(b) They only interact at the Planck length and below.
(c) At extreme energy and temperature conditions, they become the same thing.
(d) They are identical at quantum scales.

Short Answer Questions

1. According to special relativity, which of the following is true about the passage of time for an observer moving near the speed of light?

2. Why can the objects predicted by string theory not be observed?

3. What is quantum foam?

4. What property of electromagnetic waves did Max Planck solve the thermodynamic problem of the oven by discovering?

5. What characteristic did Werner Heisenberg discovered that some features of the universe at very small scales, and some properties of particle?

(see the answer key)

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