Question

Artificial radioactivity was discovered by:

• A. Becquerel
• B. Rontegen
• C. Marie Curie
• D. Irene Joliot Curie

Answer 1

Answer: (D)

Artificial or induced radio activity was discovered by Irene Joliot Curie and her husband Frederic Joliot in 1934. and this is also known as man-made radio activity.

The phenomenon by which even light elements are made radioactive by artificial or induced methods is called artificial radioactivity.

So answer is D.