1.

Charge on \[\alpha \]-particle is         [MH CET 2000]

A.            \[4.8\times {{10}^{-19}}C\]    
B.            \[1.6\times {{10}^{-19}}C\]
C.            \[3.2\times {{10}^{-19}}C\]    
D.            \[6.4\times {{10}^{-19}}C\]
Answer» D.            \[6.4\times {{10}^{-19}}C\]


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