Answer: Third option is correct.
Step-by-step explanation:
Radiography is similar to fluoroscopy.
An X-ray beam is passed through the body in case of radiography procedure, but it makes a still images on film whereas an X-ray beam is used with video screen during fluoroscopy procedure, so it makes images in motion that is not stored.
Both the radiography and fluoroscopy uses electromagnetic waves i.e. X-rays.
It is common in both the radiography and fluroscopy.
Hence, Third option is correct.