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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. In 1968 it was discovered that protons and neutrons are composed of which type of particle?
(a) Baryons.
(b) Neutrinos.
(c) Quarks.
(d) Muons.

2. Who discovered the theory of general relativity?
(a) Max Planck.
(b) Richard Feynman.
(c) Albert Einstein.
(d) Isaac Newton.

3. What type of motion cannot be felt or sensed by the moving observer?
(a) Accelerating movement.
(b) Slowing or decelerating movement.
(c) Orbital movement around a star.
(d) Constant-velocity movement.

4. According to general relativity, all objects that have mass have what effect on space-time?
(a) They tear space-time when they travel at near-light speeds.
(b) They warp space-time around them.
(c) They fold space-time as they move past one another.
(d) They stretch space-time for other very distant objects.

5. What is the result when a particle of matter and a particle of antimatter are brought into contact?
(a) A theoretically unlimited amount of energy is released.
(b) Energy is released and both particles are destroyed.
(c) A strange quark is formed.
(d) A black hole is formed.

Short Answer Questions

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

2. What is the fundamental force responsible for keeping the nucleus of an atom "glued" together?

3. What is the fundamental particle, the smallest possible bundle of energy, for the electromagnetic force?

4. What is the shape of all particles, at the smallest possible level, according to string theory?

5. General relativity is incompatible with _____.

(see the answer key)

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