1. B) Astroscopy c) radioscopy d) stereoscopy The branch of physics that deals with the investigation of wavelengths of electro magnetic radiation emitted or absorbed by atoms is known as a) spectroscopy b) Astroscopy c) radioscopy d) stereoscopy

2. After implantation within the intramedullary canal of a bone, the distal screw holes of an intramedullary nail are first aligned using conventional radioscopy equipment.