Fill in the Blanks Chapter 8 PhototimersOnline version Complete the text with the correct word by Courtney Akvan 1 photomultiplier exit type photodiodes electricity devices behind receive material light visible tubes terminated electricity fluorescent light paddles Phototimers converts into . they are considered . They are positioned the IR Light paddles coated with a serves as the detectors . The Radiation interacts with the producing which is transmitted to remote or that convert it to . The timer is then tripped . Radiation exposure is when a sufficiently large charge has been