Q.

The phenomenon of radioactivity was discovered by -

A. Marie Curie
B. Pierre Curie
C. Henri Becquerel
D. J.J Thomson
Answer» C. Henri Becquerel
Explanation: In 1896 Henri Becquerel was using naturally fluorescent minerals to study the properties of x-rays, which had been discovered in 1895 by Wilhelm Roentgen.
892
0
Do you find this helpful?
1

View all MCQs in

Physics

Discussion

No comments yet