Unformatted text preview: n is an integer)? a) n π . b) ( n + 1 2 ) ! . c) n 2 . d) n + 1 2 ( ) 2 . 3. Consider a wave on a string moving to the right as shown in the figure. What is the direction of the velocity of a particle at the point labeled A? a) To the right. b) To the right and down. c) Straight down. d) The particle is at rest. 4. The maximum amplitude of a sound wave emitted isotropically in all directions from a point-like source falls off with distance r like: a) 1/ r . b) 1/ r 2 . c) 1/ r 3 . A...
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- Fall '07
- Physics, Wavelength, 3 m/s, 1.50 m/s, 0.333 m/s, one-dimensional wave, 0.667 m/s