Pick out the wrong statement.
(A) The ratio of the density of the 'nucleus' to that of the 'atom' is 10
12
(B) α-particle is identical with a doubly charged helium ion
(C) The mass of deuterium atom is half that of helium atom
(D) Gamma rays are high energy electrons

1 Answer

Answer :

(D) Gamma rays are high energy electrons

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