Question: For a 7MHz, 16 element probe focused at 25 mm, what would be the effect on the ultrasonic beam of an increase in element

For a 7MHz, 16 element probe focused at 25 mm, what would

For a 7MHz, 16 element probe focused at 25 mm, what would be the effect on the ultrasonic beam of an increase in element pitch from 0.5 mm to 0.7 mm? a. The focal spot size will decrease b. Grating lobes will be induced O c. The focal spot size will increase O d. The near field will decrease Clear my choice

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