Shs 311 test - Study guides, Class notes & Summaries

SHS 311 Test 1 Questions and Answers 2024 with Complete Solution How is the length of a string or a tube related to the fundamental frequency of a standing wave? - Answer- The fundamental frequency of a standing wave is inversely related to the length (L) of the string or tube How can a complex sound be created using simple sine waves? - Answer- By adding simple sine waves together What are the frequency domain amplitude and phase spectrum? - Answer- Time domain: time pressure, wave form ...

SHS 311 TEST QUESTIONS AND ANSWERS ALL CORRECT A cat can detect 1000 times more sound power at 30,000 Hz than a human. How many dB this increase? - Answer- 30 dB Sally requires 10 times more sound pressure to detect a 1000-Hz tone than Mary. How many dB less sensitive is Sally? - Answer- 20 dB Many animals can detect an intensity that is 4 times more than the minimum sound intensity. How many dB in this? - Answer- 6.02 dB When the distance from the source is increased from 2 m to 4m b...

SHS 311 TEST QUESTIONS WITH 100% CORRECT ANSWERS The measured pressure is 632, 451 µPa. Convert to dB SPL. - Answer- 90 dB SPL The measured sound power level is 6.30 x 10-6 w/m2. Convert to dB IL. - Answer- 68 dB IL The measured sound power level increased from 4 x 10-5 w/m2 to 8 x 10-5 w/m2. What is the increase in dB IL? - Answer- 3 The frequency of a sine wave is 2500 Hz. What is the period? - Answer- 0.4 msec The wavelength of a 1500 Hz sine wave is 2 feet. What is the speed...