Questions
A charged particle moving in a uniform magnetic field penetrates a layer of lead and loses one half of its kinetic energy. The radius of curvature changes to
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Correct option is D
The radius of curvature of a charged particle moving in uniform magnetic field is given byr=mvqB=2mKqBr′=2mK′qB∴ r′r=K′K=K/2K=12r′=12⋅rSimilar Questions
A charged beam consisting of electrons and positrons enter into a region of uniform magnetic field B perpendicular to field, with a speed v. The maximum separation between an electron and a positron will be (mass of electron = mass of positron = m)
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