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Question 11 (1 point) ()Listen During constructive interference, the amplitude increases the frequency decreases the wave speed increases all of the above Question 12 (1 point) Listen The speed of a wave with a frequency of 3 Hz (2/s), an amplitude of 2 m, and a wavelength of 10 m is 30 m/s 0.3 m/s 6 m/s 5 m/s Question 13 (1 point) Listen Which of the following are true for sound waves (select all that apply.) longitudinal wave transverse wave can travel in space requires a medium can reflect can refract have a wavelength and frequency Question 14 (1 point) Listen You are sitting in a room with 2 speakers watching a movie. You move slightly to the left, and you cannot hear the movie anymore. What happened? Destructive interference Constructive interference Refraction Diffusion