omit Question 1  A sound wave has a frequency of 425 Hz and travels in air at a speed of 346 m/sec. How far apart are any two adjacent wave compressions? 1.63 meters7.71 meters0.81 meters1.23 meters omit Question 2  A fisherman notices that wave crests pass the bow of his anchored boat every 5 seconds. He measures the distance between two wave crests to be 7.6 meters. How fast are the waves traveling? 1.52 m/sec38.0 m/sec3.04 m/sec19.0 m/sec omit Question 3  A wave has a speed of 250 m/sec and a wavelength of 7.6 meters. What is this wave's period? 2.42 x 102 seconds3.29 x 101 seconds2.58 x 102 seconds3.04 x 10-2 seconds omit Question 4  A sinusoidal wave travels along a string. The time for a particular point to move from maximum displacement to zero is 0.25 seconds. What is the wave's frequency? 2 x 100 Hz1 x 100 Hz1 x 100 Hz4 x 100 Hz omit Question 5  If the wavelength is 2.125 meters in Question 4, that how fast does the wave energy travel along the string? 2.13 x 100 m/sec8.5 x 100 m/sec4.25 x 100 m/sec2.13 x 100 m/sec omit Question 6  Light has a speed in a vacuum of 3 x 108 m/s. The frequency of visible light is about 5.68 x 1014 Hz. What is the approximate wavelength of the light? 2.64 x 10-7 meters1.89 x 106 meters1.76 x 10-15 meters5.28 x 10-7 meters

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