File of quiz questions for QUIZ.EXE 26 questions 1. Chaos in a mechanical system is most easily visualized in a plot of A: velocity versus position B: position versus time C: velocity versus time D: potential energy versus position Ref: A 2. In a linear oscillator, the restoring force A: obeys Hooke's law B: is proportional to the cube of x C: is proportional to the sine of x D: is zero Ref: B 3. A flexible rod supported at the base has A: 3 equilibrium positions B: 2 equilibrium positions C: 1 equilibrium position D: no equilibrium position Ref: C 4. The Van der Pol equation illustrates A: a limit cycle B: a strange attractor C: a random fractal D: a cellular automaton Ref: D 5. The orbit of an object trapped in an inverse square-law force field is A: elliptical B: chaotic C: circular D: linear Ref: E 6. The motion of a charged particle in a magnetic field may be chaotic if the field A: has an X-point B: is large C: is uniform D: diverges Ref: F 7. The orbits in the Lorenz attractor A: never cross B: are periodic C: diverge D: approach a limit cycle Ref: G 8. The Rossler attractor comes from A: three differential equations B: two differential equations C: a single differential equation D: two difference equations Ref: H 9. Prior to the onset of chaos, one often observes A: successive period doublings B: successive frequency doublings C: a decrease in frequency D: a decrease in amplitude Ref: I 10. The predator-prey problem is described by A: two nonlinear equations B: one linear equation C: one nonlinear equation D: two linear equations Ref: J 11. The interior region of the Chirikov map corresponds to a pendulum that A: swings back and forth B: swings around in a circle C: stops at the top of its orbit D: does not move Ref: K 12. The Henon map illustrates a A: strange attractor B: limit cycle C: fixed point D: diffusion process Ref: L 13. A strange attractor is an example of a A: deterministic fractal B: basin of attraction C: limit cycle D: random fractal Ref: M 14. The boundary between regions of the Mandelbrot set is a A: fractal B: strange attractor C: limit cycle D: fixed point Ref: N 15. Interesting Julia sets come from near the boundary of the A: Mandelbrot set B: Henon map C: Chirikov map D: Weierstrass function Ref: O 16. In a diffusion process, the average distance a particle moves from its origin in time t is A: proportional to square root of t B: constant C: proportional to t D: proportional to t squared Ref: P 17. The distribution of notes in music most closely resembles A: 1/f noise B: white noise C: brown noise D: 1/f squared noise Ref: Q 18. A snowflake most closely resembles a A: deterministic fractal B: random fractal C: strange attractor D: cellular automaton Ref: R 19. The dimension of a fractal is usually A: not an integer B: 1 C: 2 D: 3 Ref: S 20. An iterated function system uses a group of A: linear affine maps B: strange attractors C: cellular automata D: differential equations Ref: T 21. A coupled-map lattice provides an example of A: spatio-temporal chaos B: percolation C: self-organized criticality D: diffusion Ref: U 22. Mixing illustrates A: sensitivity to initial conditions B: an iterated function system C: white noise D: a strange attractor Ref: V 23. The diffusion of a liquid through a lattice is an example of A: percolation B: a cellular automaton C: an anaglyph D: a strange attractor Ref: W 24. A cellular automaton is a pattern governed by A: local rules B: global behavior C: differential equations D: human intervention Ref: X 25. The game of life illustrates a A: cellular automaton B: strange attractor C: limit cycle D: deterministic fractal Ref: Y 26. Anaglyphs provide the illusion of three dimensions by the use of A: a pair of colors B: polarized light C: a perspective drawing D: illumination and shadows Ref: Z