Question : Artificial radioactivity was discovered by
A. Klaproth
B. Rontgen
C. Irene Curie and Joliot
D. P. Curie and M. Curie
Answer:C
Question : Artificial radioactivity was discovered by
A. Klaproth B. Rontgen C. Irene Curie and Joliot D. P. Curie and M. Curie