The electric charge on 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 neutrons are electrically neutral,the total charge o

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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 neutrons are electrically neutral,the total charge on an $\alpha$-particle is equal to the charge of $2$ protons.The charge of a single proton is $e = 1.6 	imes 10^{-19} \, C$.Therefore,the charge of an $\alpha$-particle is $q = 2e = 2 	imes (1.6 	imes 10^{-19} \, C) = 3.2 	imes 10^{-19} \, C$.

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

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