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Na পরমাণুর 11th ইলেকট্রনের গতিবেগ কত হবে?

(What will be the velocity of 11th electron of Na atom?)

231.52 \times 10^{5} c m / s e c

309.11 \times 10^{5} c m / s e c

617.55 \times 10^{6} c m / s e c

801.95 \times 10^{6} c m / s e c

912.20 \times 10^{6} c m / s e c

ANS : 0

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