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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter Seven, The Super in Superstring.

Multiple Choice Questions

1. According to general relativity, which of the following is said to warp or bend space-time?
(a) Constant, relativistic speed motion.
(b) Gravity and electromagnetic fields.
(c) Accelerated motion and orbital motion.
(d) Accelerated motion and gravity.

2. Which of the following did Einstein considered time?
(a) A physical substance, composed of particles.
(b) A three-dimensional field.
(c) A fourth dimension, alongside the three spatial dimensions.
(d) The fifth fundamental force of the universe.

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

4. Which of the following is true regarding experimental confirmation of string theory?
(a) It has not yet been experimentally confirmed.
(b) It was confirmed in the 1980s.
(c) It has been experimentally confirmed, but the data are still being processed.
(d) It can never be confirmed.

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

Short Answer Questions

1. What characteristic did Werner Heisenberg discovered that some features of the universe at very small scales, and some properties of particle?

2. Why are the fluctuations that quantum physics predicts not observable in everyday life?

3. Which of the following is correct about the speed at which light moves?

4. Which of the following is one of the major problems in using both quantum physics and general relativity?

5. Which of the following is not true according to special relativity?

(see the answer key)

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