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Exam (elaborations)
Edelman Book Questions | With Complete Solutions!!
Which of the following characteristics will create the slowest speed of sound? 
a. high density, high stiffness 
b. low density, high stiffness 
c. high density, low stiffness 
d. low density, low stiffness - CORRECT ANSWER-c 
If the power in a beam is 1 watt and the area is 5 cm^2, what is the beam's intensity? 
a. 5 W/cm^2 
b. 1 W/cm^2 
c. 0.2 W/cm^2 
d. 1 watt - CORRECT ANSWER-c 
If intensity remains the same while the power is doubled, what has happened to the 
beam area? 
a. quadrupled 
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Edelman Exams Bundle | New Versions | 100% Correct.