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UT L2 question of the day · 20 October 2026

Today's UT L2 practice question

Review of Ultrasonic Techniques

A 10 MHz longitudinal wave travels in aluminum with a velocity of 6,320 m/s. What is the approximate wavelength?

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Original practice question written to American Society for Nondestructive Testing's published content outline. Never a real or recalled exam question. A new question appears each day at midnight Eastern.