omit Question 1  A sound wave has a frequency of 494 Hz and travels in air at a speed of 344.8 m/sec. How far apart are any two adjacent wave compressions? 0.70 meters1.43 meters1.40 meters8.39 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 3.2 meters. How fast are the waves traveling? 1.07 m/sec4.8 m/sec9.6 m/sec2.13 m/sec omit Question 3  A wave has a speed of 230 m/sec and a wavelength of 3.2 meters. What is this wave's period? 2.27 x 102 seconds7.19 x 101 seconds2.33 x 102 seconds1.39 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 0.23 seconds. What is the wave's frequency? 4.35 x 100 Hz9.2 x 10-1 Hz2.17 x 100 Hz1.09 x 100 Hz omit Question 5  If the wavelength is 2.47 meters in Question 4, that how fast does the wave energy travel along the string? 2.27 x 100 m/sec2.68 x 100 m/sec1.07 x 101 m/sec5.37 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 4.7 x 1014 Hz. What is the approximate wavelength of the light? 3.19 x 10-7 meters1.57 x 106 meters6.38 x 10-7 meters2.13 x 10-15 meters

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