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
[{'content': 'Linear accelerator produces? \nSelect and explain. \nA. X rays, B. Beta rays, C. Gamma rays, D. Neutrons', 'role': 'user'}, {'content': "Answer: A \nExplanation: 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.", 'role': 'assistant'}]