Spi Practice Exam Questions Study Guide / 50 Correct Questions & Answers

sound source {Ans: The measured intensity of sound depends on both the distance from the source and the}Mechanical and Longitudinal {Ans: Technically speaking, in an ultrasonic wave in soft tissue the particles oscillate along the direction of motion of the wave. What best describes this wave?}Quartered {Ans: Suppose the distance between the sound source and the reflector were doubled. By how much would the intestate of the sound beam change?}Decrease {Ans: If the density of a medium increases, the speed at which sound travels in the medium will:}Interference {Ans: When you throw two rocks into a pond near one another at a similar time, the circular ripples that results from the two stones seem to pass through one another as they propagate out from where the stones entered the water resulting in:}Longitudinal wave {Ans: What type of wave is produced when the particles of the medium oscillate parallel to the propagation of the wave?}