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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. What is the traditional method of testing theories in physics?
(a) Debate.
(b) Consensus.
(c) Mathematical proof.
(d) Experimentation.

2. What discovery was made that incorporated gravitational force into quantum mechanics via string theory?
(a) A vibrational pattern with the properties of the graviton was discovered.
(b) Gravity could be made symmetric only if the graviton is a string.
(c) Gravity was found to be supersymmetric.
(d) At extremely small scales, gravity is fused with the strong force.

3. In which particle was spin first discovered?
(a) The electron.
(b) The neutron.
(c) The photon.
(d) The proton.

4. Which of the following methods has been used to determine the shape of the Calabi-Yau space?
(a) Discrete mathematics.
(b) Matrix manipulation.
(c) Perturbation theory.
(d) The finite elements method.

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

Short Answer Questions

1. Which of the following theory was NOT developed in order to try to resolve the conflicts between quantum mechanics and general relativity?

2. What is one of the difficulties in determining the shape of the Calabi-Yau space?

3. 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?

4. What spin do all particles of matter have?

5. Which of the following is closest to the Planck length?

(see the answer key)

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