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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?

Dmax is defined as the depth of maximum dose for a single photon beam and is most dependent on beam energy. 

The point of maximum dose for megavoltage beams is at the skin surface.

Percent depth dose is dependent on:

The ratio of the dose at depth in tissue to the dose at dmax on the beam axis is known as: