Rotational MotionHard
Question
Proton, Deuteron and alpha particle of the samekinetic energy are moving in circulartrajectories in a constant magnetic field. Theradii of proton, deuteron and alpha particle arerespectively rp, rd and rα. Which one of thefollowing relations is correct ?
Options
A.rα = rd > rp
B.rα = rd = rp
C.rα = rp < rd
D.rα > rd > rp
Solution
As K & B are constantSo
⇒ rα = rp < rd
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