This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Physics of Radiotherapy, Subject name: Radiology
Radium emits which of the following? 
Select and explain. 
A. b, g, B. a, b, g, C. a, b, D. Neutrons
B: a, b, g
Answer: B: a, b, g 
Explanation: Ans. is 'b' i.e., a, b, g o Radium emits a, b and g rays. Radium also produces neutrons when mixed with beryllium.