ASNT NDT III RT Practice Questions - ASNT NDT Level III Radiographic Testing (RT) Exam

Question 5

The linear attenuation coefficient (mu) of a material is related to its half-value layer (HVL) by which expression?

HVL = mu / 0.693 HVL = 0.693 / mu HVL = mu * 0.693 HVL = 2 / mu

Correct Answer:

HVL = 0.693 / mu

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