This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fundamentals In Radiology, Subject name: Radiology
Linear accelerator produces? 
Select and explain. 
A. X rays, B. Beta rays, C. Gamma rays, D. Neutrons
A: X rays
Answer: A: X rays 
Explanation: ANSWER: (A) X raysREF: Oxford oncology 2nd edition page 398, O P Tondon's Inorganic chemistryRepeat from December 2009Linear accelerator and Betatron are used to produce X Rays by accelerating electronsCyclotron is used to produce Gamma rays.