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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 is different about a particle of antimatter, compared to its normal counterpart?
(a) Negative mass.
(b) Opposite electrical charge.
(c) Zero mass.
(d) Complementary spin.

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

3. According to special relativity, which of the following can move faster than light?
(a) Nothing can move faster than light.
(b) Quantum data.
(c) Gravitational waves.
(d) Neutrinos.

4. Which of the following is not one of the four fundamental forces of the universe?
(a) The nuclear-weak force.
(b) The photoelectric force.
(c) Gravity.
(d) The electromagnetic force.

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

Short Answer Questions

1. Black holes are dense and massive cosmological bodies. What unique distinction do they have?

2. Edwin Hubble used Einstein's theories to show that the fabric of the universe _____.

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 is the result when a particle of matter and a particle of antimatter are brought into contact?

5. According to general relativity, the change that an object causes in the fabric of space-time depends directly on _____.

(see the answer key)

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