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

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

3. According to Newton's theory of gravity, if two objects have a gravitational pull on one another, and one changes its mass or distance from the other, how quickly does the effect of this change travel to the other object?
(a) Near the speed of light, faster for more massive objects.
(b) Near the speed of light, faster for lighter objects.
(c) Instantaneously.
(d) At exactly the speed of light.

4. What rule did Max Planck discover the electromagnetic waves bounded in a container, such as an oven, must follow?
(a) The energies of all waves inside the over must cancel out to zero.
(b) The frequencies of the waves must all be the same.
(c) They must have a whole number of peaks and troughs that fit perfectly inside the container.
(d) There must be an even number of peaks and troughs.

5. Which of the following accurately describes the phenomenon of "quantum tunneling"?
(a) Particles with high energy can vanish in one location, instantly appearing in another.
(b) High-energy waves can penetrate the fabric of space-time for very short periods of time.
(c) Some particles are linked together, no matter how much space separates them.
(d) Particles can sometimes "borrow" energy to move in ways impossible in classical physics.

Short Answer Questions

1. General relativity is incompatible with _____.

2. What type of a wave is light?

3. What is different about a particle of antimatter, compared to its normal counterpart?

4. Which of the following is a correct statement, based on the theory of special relativity?

5. Einstein's equation, E=mc^2, states that which of the following are equivalent?

(see the answer key)

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