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 (2q) of diffracted sound waves when the speed of sound in air is 340 m/sec
a. 167°
b. 83.6°
c. 19.5°
d. 41.8°
e. 0.11°
B
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Fill in the blank(s) with correct word
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