The phenomenon of radioactivity was discovered by (A) Madam Curie (B) Becquerel (C) Roentgen (D) J.J. Thomson

The phenomenon of radioactivity was discovered by
(A) Madam Curie
(B) Becquerel
(C) Roentgen
(D) J.J. Thomson
by

1 Answer

Answer :

(B) Becquerel
by

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