An \( \alpha \)-particle experiences a force of \( 3.84 \times 10^{-14} \mathrm{~N} \) when its ....

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Question An \( \alpha \)-particle experiences a force of \( 3.84 \times 10^{-14} \mathrm{~N} \) when its moves perpendicular to magnetic field of \( 0.2 \mathrm{~Wb} / \mathrm{m}^{2} \) then speed of the \( \alpha \)-particle is
(A) \( 6.0 \times 10^{5} \mathrm{~m} / \mathrm{sec} \)
(B) \( 5.0 \times 10^{5} \mathrm{~m} / \mathrm{sec} \)
(C)  \( 1.2 \times 10^{6} \mathrm{~m} / \mathrm{sec} \)
(D) \( 3.8 \times 10^{6} \mathrm{~m} / \mathrm{sec} \)📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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