A proton, a deutron and an \( \alpha \)-particle with the same \( \mathrm{KE} \) enter a region ....

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Question A proton, a deutron and an \( \alpha \)-particle with the same \( \mathrm{KE} \) enter a region of uniform magnetic field, moving at right angle to \( B \). What is the ratio of the radius of their circular paths?
(A) \( 1: \sqrt{2}: 1 \)
(B) \( 1: \sqrt{2}: \sqrt{2} \)
(C) \( \sqrt{2}: 1: 1 \)
(D) \( \sqrt{2}: \sqrt{2}: 1 \)📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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