The electric charge of an alpha-particle is . | vedclass

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(C) An $\alpha$-particle is a helium nucleus,which consists of $2$ protons and $2$ neutrons.Since the charge of a proton is $e = 1.6 	imes 10^{-19} \

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$3.2 	imes 10^{-19} \, C$

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(C) An $\alpha$-particle is a helium nucleus,which consists of $2$ protons and $2$ neutrons.Since the charge of a proton is $e = 1.6 	imes 10^{-19} \, C$ and neutrons are neutral,the total charge $Q$ of an $\alpha$-particle is given by $Q = +2e$.Substituting the value of $e$:$Q = 2 	imes (1.6 	imes 10^{-19} \, C) = 3.2 	imes 10^{-19} \, C$.

The electric charge of an $\alpha$-particle is ..........

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