The reaction of a photographic film to light is equal to the product of the intensity of the light and the duration of the light exposure. This concept is known as

a. the reciprocity law.
b. the inverse square law.
c. Coulomb's law.
d. the 15 percent rule.


a. the reciprocity law.

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Identify the correct centering for an AP scapula

CR 2" inferior from the top of the shoulder CR 2" inferior from the top of the shoulder and midway between midline and lateral axillary border CR 1-2" inferior to the coracoid process CR 1-2" inferior to the coronoid process

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Describe the two purposes of the abbreviation NEC

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The upper fourth premolar and lower first molar in dogs is the ____ tooth

Fill in the blank(s) with correct word

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