This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Radioactivity was discovered by Becqueral in: 
Select and explain. 
A. 1796, B. 1896, C. 1901, D. 1946
B: 1896
Answer: B: 1896 
Explanation: Ans. 1896