in the situation was back to me?
1- beam is perpendicular to the film in the level of the sixth paragraph vest
2- the distance between the film and the source of radiation 180 cm
3- very short exposure time to avoid image vibration
4- all the answers correct.
1- beam is perpendicular to the film in the level of the sixth paragraph vest
2- the distance between the film and the source of radiation 180 cm
3- very short exposure time to avoid image vibration
4- all the answers correct.
