Plane Waves of Ultrasound,f = 51 $\theta$ )Of Diffracted Sound Waves When the Speed of Sound in Plane

question 36

Multiple Choice

Plane waves of ultrasound,f = 51.0 kHz,impinge on a flat plane with a 1.00 cm-wide slit.What is the total angular width (2 $\theta$ ) of diffracted sound waves when the speed of sound in air is 340 m/sec.

• A)167\(\degree\)
• B)83.6\(\degree\)
• C)19.5\(\degree\)
• D)41.8\(\degree\)
• E)0.11\(\degree\)

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