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Unformatted text preview: Name___________________________________ Date: ___________________________ PHYSICS 204 SPRING 2010 EXAM # 1- CHAPTERS 16 & 17 TRUE/FALSE. Write T if the statement is true and F if the statement is false. Justify your answer whether T or F. 1) If you simultaneously send pulses of high frequency X- rays and low frequency radio waves from the earth to the moon, both waves will arrive at exactly the same time (assuming a vacuum between earth and moon). 1) 2) A tube open at one end and closed at the other produces sound of fundamental frequency of 350 Hz. If you now open the closed end, the fundamental frequency becomes 175 Hz. 2) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 3) Calculate the light intensity 1.14 m from a 100.0 W light bulb. Assume that the light radiates equally in all directions. A) 6.12 W/m 2 B) 76.9 W/m 2 C) 7.04 W/m 2 D) 88.4 W/m 2 3) 4) Find the wavelength of a train whistle heard by a fixed observer as the train moves toward the...
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- Spring '11