What is the term for the point at which the ultrasonic beam begins to diverge, located a distance of (D^2)/(4λ) from the transducer face?

Study for the Ultrasonic Testing Level 1 Test. Utilize flashcards and multiple-choice questions, each with hints and explanations. Prepare effectively for your exam!

Multiple Choice

What is the term for the point at which the ultrasonic beam begins to diverge, located a distance of (D^2)/(4λ) from the transducer face?

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