# Quiz5 A - Exam Wave motion Name_ MULTIPLE CHOICE. Choose...

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Exam Wave motion Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Suppose a water wave is moving radially outward on the surface of the water from a point source. How should the power in a small segment of the wave front depend on the radial distance from the source? A) Independent of r B) Decrease as 1/r C) Decrease as 1/r 2 D) Not given enough information 2) A cork bobs on the surface of the water making an oscillation every 1.0 s, with an amplitude of 1.0 m. Another cork 10.0 m away is observed to bob exactly 180° out of phase with the first cork. What is the velocity of the water waves? A) 5.0 m/s B) 2.0 m/s C) 10.0 m/s D) 20.0 m/s 3) The velocity of a longitudinal sound wave in an ideal gas is given by v = γP/ρ , where γ is the ratio of the specific heat at constant pressure to that at constant volume, P is the pressure, and ρ is the mass density. Assuming an ideal gas with γ

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## Quiz5 A - Exam Wave motion Name_ MULTIPLE CHOICE. Choose...

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