Grid frequency is described as the:

Grid frequency is described as the:

• A. Height of the lead strips divided by the distance between the lead strips
• B. Distance between lead strips divided by the height of the lead strips
• C. Number of lead strips per inch or centimeter
• D. SID at which the grid may be used

Answer: (C)

Grid frequency describes how densely the grid lines are packed, meaning the number of lead strips present in a given length. It is measured as lines per inch or lines per centimeter. A higher frequency means more strips in the same length, with thinner gaps, which improves scatter control and reduces the visibility of the grid on the image, while also affecting how the grid interacts with digital detectors. The other ideas refer to grid ratio (height of the strips relative to the interspace) or to setup factors like SID, which are not what frequency measures. So the definition of grid frequency is the number of lead strips per inch or centimeter.

Grid frequency describes how densely the grid lines are packed, meaning the number of lead strips present in a given length. It is measured as lines per inch or lines per centimeter. A higher frequency means more strips in the same length, with thinner gaps, which improves scatter control and reduces the visibility of the grid on the image, while also affecting how the grid interacts with digital detectors. The other ideas refer to grid ratio (height of the strips relative to the interspace) or to setup factors like SID, which are not what frequency measures. So the definition of grid frequency is the number of lead strips per inch or centimeter.