PDF from clara in knowt form - equations

what is the equation for mAs ratio

mAs2/mAs1 = SID2²/SID1²

how do you find the grid ratio

divide the lead strip height with the interspace width

what is the grid conversion formula

mAs1/mAs2 = GCF1/GCF2

what is the GCF for no grid

1

what is the GCF for a 5:1 grid

2

what is the GCF for a 6:1 grid

3

what is the GCF for a 8:1 grid

4

what is the GCF for a 10:1 grid

5

what is the GCF for a 12:1 grid

5

what is the GCF for a 16:1 grid

6

how do you calculate the GCF

mAs with grid/mAs without the grid

watt=_________

volts x amps

what is the inverse square law

I1/I2 = (D2)²/(D1)²

what is magnification formula

((image size - object size)/object size) x 100

equation for penumbra

(FSS x OID)/SOD

how do you calculate the magnification factor

magnification factor = SID/SOD = image side/object size