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What is the formula for ammonium nitride?

The optically stimulated luminescence dosimeter uses which of the following to detect radiation?

Backscatter factor is affected by all of the following except:

The correct match is represented by which option below?  a. The ratio of dose at a specified point in tissue or in a phantom to the dose at the same distance at a reference depth b. The ratio of the dose at a specified point in tissue or in a phantom to the dose at the same point when it is at the depth of Dmax c. The ratio of the dose at a specified point in a medium to the dose at the same point in free space

Calorimetry is a basic method of determining exposure in a medium. 

Thermistors are most commonly used to measure small rises in temperature. 

Radiochromic films need to be stored in a dry and dark environment.

The buildup caps that are used when measuring exposure for higher energy beams are usually made out of lead. 

Which of the following is the light sensitive material contained in radiographic film emulsion?

Why is water often used as a phantom material?