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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 3, Of Warps and Ripples.

Multiple Choice Questions

1. What characteristic of the string determines the properties of the particle it represents?
(a) Its frequency of vibration.
(b) Its mass.
(c) Its length.
(d) The number of other strings with which it is threaded.

2. What are the components of an atomic nucleus?
(a) Photons and electrons.
(b) Electrons and neutrons.
(c) Protons and neutrons.
(d) Protons and electrons.

3. General relativity is incompatible with _____.
(a) Quantum mechanics.
(b) State theory.
(c) The photoelectric effect.
(d) The big bang theory.

4. What is the shape of all particles, at the smallest possible level, according to string theory?
(a) A thread of thin strings.
(b) A tangled ball of thin filament.
(c) A one-dimension loop.
(d) An infinitely long string.

5. In the 1800s, James Clerk Maxwell used a new mathematical framework to unite _____.
(a) Nuclear forces and gravity.
(b) Magnetism and gravity.
(c) Electricity and magnetism.
(d) Magnetism and light.

Short Answer Questions

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

2. According to general relativity, all objects that have mass have what effect on space-time?

3. In 1968 it was discovered that protons and neutrons are composed of which type of particle?

4. According to Einstein's theory of general relativity, 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?

5. What type of a wave is light?

(see the answer key)

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