The focal spot size of an X ray machine must be known in order to determine:

Related MCQs

• The main advantage of having small focal spot on an X ray tube is:
• The main disadvantage of having a small focal spot on an X ray tube is:
• Gamma ray or high voltage X ray radiography, using film without lead screens, is likely to result in:
• Which of the following is an advantage of X ray over gamma ray sources for radiography?
• Which of the following is an advantage of X ray over gamma ray sources for radiography?
• Which of the following is an advantage of gamma ray over X ray sources for radiography?
• As radiation (X ray or gamma ray) energy is lowered:
• Gamma ray or high voltage X ray radiography, using film without lead screens, is likely to result in:
• The penetrating power of an X ray machine is indicated by:
• Approximately what energy X ray machine would be required to have penetrating power equivalent to a Cobalt-60 source: