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Radiology General 77fbf716

Half value layer refers to

A
The rate at which an X-ray photon transfer its energy to irradiated matter
B
The thickness of a substance required to reduce the number of X-ray photons by half
C
The time taken for X-ray photons to travel half the distance from the source to the object
D
The heel-effect seen when the anode is placed at an angle to the electron stream in the X-ray cathode tube
High-Yield Explanation
No explanation provided.
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