omit Question 1  A sound wave has a frequency of 471 Hz and travels in air at a speed of 341.8 m/sec. How far apart are any two adjacent wave compressions? 1.38 meters0.73 meters1.45 meters8.13 meters omit Question 2  A fisherman notices that wave crests pass the bow of his anchored boat every 3 seconds. He measures the distance between two wave crests to be 8.1 meters. How fast are the waves traveling? 5.40 m/sec12.1 m/sec2.70 m/sec24.3 m/sec omit Question 3  A wave has a speed of 180 m/sec and a wavelength of 8.1 meters. What is this wave's period? 4.5 x 10-2 seconds1.88 x 102 seconds1.72 x 102 seconds2.22 x 101 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 0.18 seconds. What is the wave's frequency? 7.2 x 10-1 Hz2.78 x 100 Hz1.39 x 100 Hz5.56 x 100 Hz omit Question 5  If the wavelength is 2.355 meters in Question 4, that how fast does the wave energy travel along the string? 3.27 x 100 m/sec1.7 x 100 m/sec6.54 x 100 m/sec1.31 x 101 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 6.33 x 1014 Hz. What is the approximate wavelength of the light? 1.58 x 10-15 meters2.11 x 106 meters4.74 x 10-7 meters2.37 x 10-7 meters

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