Exam (elaborations)
SPI Exam Review| 66 QUESTIONS| WITH COMPLETE SOLUTIONS
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What is a hydrophone? What does it measure? CORRECT ANSWERS: A small needle with piezoelectric crystal at the end. It measures pressure in a sound beam. What is a schlieren? CORRECT ANSWERS: A machine that uses acousti-optics to measure sound and light in beam profiles. What is a calorimete...
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