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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. Which of the following is correct about the speed at which light moves?
(a) It moves faster at higher energy levels.
(b) It moves at a constant speed for all observers.
(c) Its speed depends on the observer.
(d) It moves at a constant speed only near a gravitational field.

2. 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 more than one year.
(b) Its reading would be random and meaningless.
(c) It would be less than one year.
(d) It would be exactly equal to one year.

3. What are the characteristics of a wave?
(a) Amplitude and energy.
(b) Energy level, polarity, and speed.
(c) Frequency, wavelength, and amplitude.
(d) Frequency, polarity, and wavelength.

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

5. What would an outside observer notice about an object moving near the speed of light?
(a) It would appear vastly larger than it would at rest.
(b) It would not be observable under any circumstances.
(c) It would be shorted in the direction of its movement.
(d) It would appear to move slower near a gravitational field.

Short Answer Questions

1. According to Newton's law of gravity, the strength of the pull between two objects depends on what factors?

2. What rule did Max Planck discover the electromagnetic waves bounded in a container, such as an oven, must follow?

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

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

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

(see the answer key)

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