Miscellaneous Flashcards by Clara Fallone | Brainscape

Q

vaginal cylinders are line or pt sources?

A

line

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Q

formula for geometric penumbra

A

focal spot size *(SSD+d-SCD)/SCD

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Q

6 MV horns vs 15 MV

A

6 MV is bigger horns
also bigger at larger FS due to more scatter at CAX- FF has to work harfder to get flat beam at iso

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